Bill Pringle

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Interesting Articles

This page contains links to interesting articles about computers and other stuff. Please let me know if you find any broken links. I may or may not agree with the opinions expressed in any of these articles.

If you are interested in Facebook, you might want to see my Facebook page, which contains news articles along with suggestions on how to keep your information safe while enjoying Facebook.

I found many of these on SlashDot, and used their descriptions. Older articles can be found here.

Article Description/Comments
83-Year-Old Woman Gets New 3D-Printed Titanium Jaw
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The University of Hasselt (in Belgium) announced today (Google translation of Dutch original) that Belgian and Dutch scientists have successfully replaced an 83-year-old woman's lower jaw with a 3D-printed model. According to the researchers, 'It is the first custom-made implant in the world to replace an entire lower jaw. ... The 3D printer prints titanium powder layer by layer, while a computer controlled laser ensures that the correct particles are fused together. Using 3D printing technology, less materials are needed and the production time is much shorter than traditional manufacturing. The artificial jaw is slightly heavier than a natural jaw, but the patient can easily get used to it.
Flying Robots Flip, Swarm and Move In Formation At UPenn
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The University of Pennsylvania's General Robotics, Automation, Sensing and Perception (GRASP) Laboratory has released a video of flying nano quadrotor robots. Inspired by swarming habits in nature, these agile robots avoid obstructions and perform complex maneuvers as a group.
Angry Birds Boss Credits Piracy For Popularity Boost
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Mikael Hed is the CEO of Rovio Mobile, the company behind popular mobile puzzle game Angry Birds. At the Midem conference Monday, Hed had some interesting things to say about how piracy has affected the gaming industry, and Rovio's games in particular: '"We could learn a lot from the music industry, and the rather terrible ways the music industry has tried to combat piracy." Hed explained that Rovio sees it as "futile" to pursue pirates through the courts, except in cases where it feels the products they are selling are harmful to the Angry Birds brand, or ripping off its fans. When that's not the case, Rovio sees it as a way to attract more fans, even if it is not making money from the products. "Piracy may not be a bad thing: it can get us more business at the end of the day." ... "We took something from the music industry, which was to stop treating the customers as users, and start treating them as fans. We do that today: we talk about how many fans we have," he said. "If we lose that fanbase, our business is done, but if we can grow that fanbase, our business will grow."'
Shmoocon Demo Shows Easy, Wireless Credit Card Fraud
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[Security researcher Kristin] Paget aimed to indisputably prove what hackers have long known and the payment card industry has repeatedly downplayed and denied: That RFID-enabled credit card data can be easily, cheaply, and undetectably stolen and used for fraudulent transactions. With a Vivotech RFID credit card reader she bought on eBay for $50, Paget wirelessly read a volunteer's credit card onstage and obtained the card's number and expiration date, along with the one-time CVV number used by contactless cards to authenticate payments. A second later, she used a $300 card-magnetizing tool to encode that data onto a blank card. And then, with a Square attachment for the iPhone that allows anyone to swipe a card and receive payments, she paid herself $15 of the volunteer's money with the counterfeit card she'd just created. (She also handed the volunteer a twenty dollar bill, essentially selling the bill on stage for $15 to avoid any charges of illegal fraud.) ... A stealthy attacker in a crowded public place could easily scan hundreds of cards through wallets or purses.
Righthaven Redux — With a Difference
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At Boing Boing, Rob Beschizza reports that, in an act of delicious irony, Swiss ISP Ort Cloud [sic] has acquired Righthaven's domain name and has relaunched Righthaven.com as a web hosting service diametrically opposed to the practices of its original owner, a notorious but ultimately unsuccessful copyright troll. The new owners, in partnership with first amendment lawyer Marc Randazza (who was instrumental in the original Righthaven's demise), promise 'infrajuridsictional infrastructure' — uptime that would require international cooperation to bring down. 'Frivolous plaintiffs will find little comfort here' says Ort Cloud's Stefan Thalberg. The domain name became available in a court-ordered auction of Righthaven LLC's assets, to pay its creditors.
Friday's Solar Flare Twice As Energetic As Monday's; Earth Safe
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The sunspot cluster that erupted in a solar flare and coronal mass ejection last Monday burst into life again on Friday, blasting out an X2 class solar flare, twice as energetic as the last one. This one was on the Sun's limb and was pointed away from us, so we're in no danger; all we got was a very minor radiation storm that's on the lowest ranking of such things. But it did put on quite a light show, which you can see in a video created with images from NASA's Solar Dynamics Observatory.
US Plummets On World Press Freedom Ranking
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Reporters Without Borders released its 2011 — 2012 global Press Freedom Index. The indicators for press freedom in the U.S. are dramatic, with a downward movement from 27th to 47th in the global ranking, from the previous year. Much of this is correlated directly to the arrest and incarceration of American journalists covering the "Occupy" protest movements in New York and across the country. "This is especially troubling as we head into an election year which is sure to spark new conflicts between police and press covering rallies, protests and political events." Only Chile, who dropped from 33 to 80, joined the U.S. in falling over 100% of their previous ranking. Similarly, Chile was downgraded for "freedom of information violations committed by the security forces during student protests."
11 New Multi-Planet Star Systems Discovered
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The number of known multi-planetary star systems has just tripled. What's more, the Kepler space telescope science team has just announced that they have doubled the number of confirmed exoplanetary sightings made by the observatory. Some of the newly discovered worlds are only 1.5 times the size of Earth, while others are bigger than Jupiter. Fifteen exoplanets are between Earth and Neptune in size, but further observations will be needed to determine if any have a rocky surface like Earth, or a gaseous consistency like Neptune.
NASA Releases New High-Definition Image of Earth
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Working for NOAA, I have been really pleased to see the weather data from the new Suomi NPP satellite coming into our computer models already but have been blown away by its capability to take stunning high-definition images of our planet. See the article at Huffington Post or go straight to the image at NASA's website."
Nano-Scale Terahertz Antenna May Make Tricorders Real
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Researchers from Imperial College London and A*STAR in Singapore have shown off a terahertz antenna that's just 100 nanometers across — about 30,000 times smaller than existing terahertz antennae — and two orders of magnitude stronger than other T-ray beam-forming techniques. T-rays are a lot like EHF (extremely high frequency), which is used by millimeter wave scanners in airports, medical imaging, and emerging wireless networking standards like WiGig — but stronger, faster, and more detailed. Where EHF radiation can see through your clothes, T-rays can penetrate a few millimeters of skin. Furthermore, because atoms and molecules have a unique terahertz-range signature, T-ray scanners can detect toxic substances, bombs, drugs — or even cancerous tumors under your skin. Most importantly, though, due to the nano scale of these antennae, it's possible to create huge antennae arrays on a single silicon chip, meaning hand-held T-ray scanners are now a possibility. In the not so distant future, every household might have a Star Trek-like tricorder capable of detecting cancer or other diseases.
Martian Rocks Land In Morocco
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Scientists have confirmed chemically a recent and rare invasion from Mars with 15 pounds of fresh Martian rocks falling in Morocco last July. A special committee of meteorite experts, which includes some NASA scientists, confirmed the test results Tuesday certifying that the meteorites recently collected came from Mars. The biggest rock weighs more than 2 pounds. Astronomers think that millions of years ago something big smashed into Mars that sent fragments hurtling through the solar system. Occasionally, some fall on Earth.
Facebook To Share Private Data With Politico
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AllThingsDd is reporting that Facebook has agreed to share users' private data with Politico. Quoting: 'Most notably, the Facebook-Politico data set will include Facebook users' private status messages and comments. Every post and comment — both public and private — by a U.S. user that mentions a presidential candidate's name will be fed through a sentiment analysis tool.' Yes, they claim it will be anonymized, but we've seen that doesn't really work in real life.
White House Opposes Key SOPA Provisions
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(Click for follow-up where the House dropped SOPA)
Is this an example of our 3-part government actually working as intended? It seems the executive branch doesn't agree with the legislative on a key piece of SOPA. From the article:
'"While we believe that online piracy by foreign websites is a serious problem that requires a serious legislative response, we will not support legislation that reduces freedom of expression, increases cybersecurity risk, or undermines the dynamic, innovative global internet," the White House said in a blog post.'
Pouring Water Into a Volcano To Generate Power
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Until recently, geothermal power systems have exploited only resources where naturally occurring heat, water, and rock permeability are sufficient to allow energy extraction but now geothermal energy developers plan use a new technology called Enhanced Geothermal Systems (EGS) to pump 24 million gallons of water into the side of the dormant Newberrry Volcano, located about 20 miles south of Bend, Oregon in an effort to use the earth's heat to generate power. 'We know the heat is there,' says Susan Petty, president of AltaRock Energy, Inc. of Seattle. 'The big issue is can we circulate enough water through the system to make it economic.' Since natural cracks and pores do not allow economic flow rates, the permeability of the volcanic rock can be enhanced with EGS by pumping high-pressure cold water down an injection well into the rock, creating tiny fractures in the rock, a process known as hydroshearing. Then cold water is pumped down production wells into the reservoir, and the steam is drawn out. Natural geothermal resources only account for about 0.3 percent of U.S. electricity production, but a 2007 Massachusetts Institute of Technology report projected EGS could bump that to 10 percent within 50 years, at prices competitive with fossil-fuels. 'The important question we need to answer now,' says USGS geophysicist Colin Williams, 'is how geothermal fits into the renewable energy picture, and how EGS fits. How much it is going to cost, and how much is available.'
How SOPA and PIPA Could Hurt Scientific Debate
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Simply put, The Stop Online Piracy Act (SOPA) and the Protect IP Act (PIPA) currently under development in Congress will provide a rapid way to sentence websites to deathwithout the need for pesky things like trials and juries. Much to the surprise of nobody who understands how the Internet works, these two Acts will have absolutely no effect on digital piracy, but they will create an environment where freedom of speech could be severely curtailed, large companies can execute competitors, and scientific data can be hidden from the public.
Homeless Student Is Intel Talent Search Semifinalist
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Samantha Garvey, a senior at Brentwood High School, has managed to become one of the remaining 300 semifinalists in the Intel Science Talent Search this year. Her research focused on mussels and on her discovery that they change the thickness of their shells if a predator such as crabs are introduced. Why is Garvey's achievement so impressive? Because she and her entire family are homeless, and rely on a local homeless shelter. Such a situation would stop many students from being able to focus on studying, let alone a research project, but Garvey has instead used her situation as motivation.
Three Tiny Exoplanets Suggest Solar System Not So Special
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Adding to its already long roster of firsts, NASA's Kepler spacecraft has found the three smallest extrasolar planets ever detected — all of them smaller than Earth, and the most diminutive no larger than Mars. The newly discovered trio forms a miniature planetary system orbiting a cool, dim red dwarf star called KOI-961. Because they are so close to their star, the three exoplanets are too hot to support life. But unlike most previously known exoplanets, the vast majority of which are Jupiter-scale gas giants, all three are thought to be rocky worlds like Earth and the other worlds of the inner Solar System.
$10M Tricorder X PRIZE Kicks off
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Back in May, we heard about Qualcomm's plans to hammer out details for an X PRIZE competition to invent a Star Trek-style tricorder. Now, word that the requirements have been finalized and the competition has launched.
"As envisioned for this competition, the device will be a tool capable of capturing key health metrics and diagnosing a set of 15 diseases. Metrics for health could include such elements as blood pressure, respiratory rate, and temperature. Ultimately, this tool will collect large volumes of data from ongoing measurement of health states through a combination of wireless sensors, imaging technologies, and portable, non-invasive laboratory replacements. Given that each team will take its own approach to design and functionality, the device's physical appearance and functionality may vary immensely from team to team. Indeed, the only stated limit on form is that the mass of its components together must be no greater than five pounds."
An Otherworldly Discovery: Billions of Other Planets
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Astronomers said that each of the 100 billion stars in the Milky Way probably has at least one companion planet, on average, adding credence to the notion that planets are as common in the cosmos as grains of sand on the beach.
The finding underscores a fundamental shift in scientific understanding of planetary systems in the cosmos. Our own solar system, considered unique not so long ago, turns out to be just one among billions.
Symantec Sued For Running Fake "Scareware" Scans
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James Gross, a resident of Washington State, filed what he intends to be a class action lawsuit against Symantec in a Northern District California court Tuesday, claiming that Symantec defrauds consumers by running fake scans on their machines, with results designed to bully users into upgrading to a paid version of the company's software. 'The scareware does not conduct any actual diagnostic testing on the computer,' the complaint reads. 'Instead, Symantec intentionally designed its scareware to invariably report, in an extremely ominous manner, that harmful errors, privacy risks, and other computer problems exist on the user's PC, regardless of the real condition of the consumer's computer.' Symantec denies those claims, but it has a history of using fear mongering tactics to bump up its sales. A notice it showed in 2010 to users whose subscriptions were ending in 2010 warned that 'cyber-criminals are about to clean out your bank account...Protect yourself now, or beg for mercy.'
Researchers Show How Cellular Complexity Can Evolve
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By bringing long-dead proteins back to life, researchers have worked out the process by which evolution added a component to a cellular machine. ... In a paper published in Nature, researchers recreated an 'ancestral' version of a cellular machine called the V-ATPase proton pump, which channels protons across membranes and is vital for keeping cell compartments at the right acidity. Part of this machine is a ring of six proteins that threads through the membrane. Animals and most other eukaryotes have a ring composed of two types of protein component; fungi are alone in having a ring with three. The researchers used computational methods to work backwards and find the most likely sequences of these proteins hundreds of millions of years ago. The team inserted the DNA into yeast and found that just two mutations can turn the simple 2-protein ring into the more complex 3-protein ring.
SOPA Makes Strange Bedfellows
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What do 1-800-Contacts, Adidas, Americans for Tax Reform, Comcast, the Country Music Association, Estee Lauder, Ford, Nike and Xerox all have in common? According to OpenCongress.org, they all have specifically endorsed H.R. 3261, the Stop Online Piracy Act. A total of 158 corporations have signed up in favor of the bill, and only 87 against. $21 Million has been donated to Congressmen who favor the bill, but only $5 Million to those against. Thanks to OpenCongress for these insights. This goes a long way towards explaining why this bill has so much traction, despite all its negative publicity.
Is the Canadian Arctic the Future of Astronomy?
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Frigid temperatures, dry air, and endless nights should, in theory, make the polar regions top spots for ground-based optical astronomy. So far, Antarctica has been getting all the action, with a handful of optical telescopes peering into the sky from the icy continent. But a new study indicates that the Canadian high Arctic is also a good spot for ground-based optical astronomy. In fact, the great white north offers some practical advantages over the Antarctic.
First Four Exoplanets of 2012 Discovered
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Only four days into the New Year and the first four exoplanets of 2012 have been spotted orbiting four distant stars. All four alien worlds are known as 'hot Jupiters' — large gas giant planets orbiting very close to their stars. Their orbits are aligned just right with the Earth so that when they pass in front of their parent stars, they slightly dim the starlight from view. The discovery was made by the The Hungarian-made Automated Telescope Network (HATNet) Project (maintained by Harvard-Smithsonian Center for Astrophysics) consisting of six small (11cm diameter), wide-field automated telescopes based at the Fred Lawrence Whipple Observatory (FLWO), Cambridge, Mass. and The Submillimeter Array atop Mauna Kea, Hawaii.
Medical Imaging With a Hacked LCD Projector
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Grad students at UC Irvine have built a spatial frequency domain imaging system using parts from a cheap LCD projector and a digital camera. The system can be used to check the level of bruising or oxygenation in layers of tissue that aren't visible to the naked eye, according to an article in Chemical and Engineering News. An accompanying video shows the series of patterned pulses that the improvised imaging system makes in order to read hemoglobin and fat levels below the surface of the skin. A more sophisticated version of the imaging system is being commercialized by a startup within UC Irvine, called Modulated Imaging. The article and video also describe infrared brain scanners that can non-invasively check for brain bleeds, and multiphoton microscopes that produce stunning images of live skin cells.
Facebook a Factor in a Third of UK Divorces
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A recent survey conducted by a UK based divorce website disclosed that 33 percent of behavior divorce petitions filed cite Facebook as a cause for filling for divorce in 2011. In 2009 this figure was 20 per cent. 5000 people were surveyed by Divorce-Online, the UK divorce website, during 2009 and 2011 covering Facebook as a means to check behavior of spouse with the opposite sex and spouses using the social networking platform to comment about their exes post the separation. Three reasons that came out on the top for listing Facebook in divorce petition were inappropriate messages sent to the opposite sex, posting nasty comments about exes, and friends on Facebook reporting about spouse's behavior.
Why Richard Stallman Was Right All Along
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Late last year, president Obama signed a law that makes it possible to indefinitely detain terrorist suspects without any form of trial or due process. Peaceful protesters in Occupy movements all over the world have been labelled as terrorists by the authorities. Initiatives like SOPA promote diligent monitoring of communication channels. Thirty years ago, when Richard Stallman launched the GNU project, and during the three decades that followed, his sometimes extreme views and peculiar antics were ridiculed and disregarded as paranoia — but here we are, 2012, andhis once paranoid what-ifs have become reality.
Orangutans To Skype Between Zoos With iPads
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For the last six months, orangutans at Milwaukee Zoo have been playing games and watching videos on Apple's iPad, but now their keepers and the charity Orangutan Outreach want to go one step further and enable ape-to-ape video chat via Skype or FaceTime. 'The orangutans loved seeing videos of themselves — so there is a little vanity going on — and they like seeing videos of the orangutans who are in the other end of the enclosure,' Richard Zimmerman of Orangutan Outreach said. 'So if we incorporate cameras, they can watch each other.' And thus the idea of WiFi video chat between orangutans — and eventually between zoos — was born. It might seem like folly, but putting (ruggedized!) iPads into the hands of apes could really revolutionize our understanding of great ape behavior.
How Doctors Die
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Dr. Ken Murray, a Clinical Assistant Professor of Family Medicine at USC, writes that doctors don't die like the rest of us. What's unusual about doctors is not how much treatment they get when faced with death themselves, but how little. For all the time they spend fending off the deaths of others, they tend to be fairly serene when faced with death themselves because they know exactly what is going to happen, they know the choices, and they generally have access to any sort of medical care they could want. 'Almost all medical professionals have seen what we call "futile care" being performed on people,' writes Murray. 'What it buys is misery we would not inflict on a terrorist. I cannot count the number of times fellow physicians have told me, in words that vary only slightly, "Promise me if you find me like this that you'll kill me."' Feeding into the problem are unrealistic expectations of what doctors can accomplish. Many people think of CPR as a reliable lifesaver when, in fact, the results are usually poor. If a patient suffers from severe illness, old age, or a terminal disease, the odds of a good outcome from CPR are infinitesimal, while the odds of suffering are overwhelming.
Insects Rapidly Becoming Resistant To GM Corn
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BT corn, which contains the DNA for Bacillus thuringensis toxin, was once hailed as the final solution for insect predators on this valuable crop. Now it turns out that insects, and evolution, are smarter than we thought, and the corn that contains the built in pesticide is no longer reliably protected.
Progressive Era Hacker Griefed Marconi Demonstration
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In June 1903, Gugliemo Marconi and his partner Ambrose Flemming were about to give the first demonstration of long-range wireless communication at the Royal Institution in London, which, Marconi said, could be sent in complete confidentiality with no fear of the messages being hijacked. Suddenly, the silence was broken by a huge mysterious wireless pulse strong enough to take over the carbon-arc projector and make it sputter messages in Morse Code. First, it repeated the word 'Rats' over and over again (abusive at that time). Then it tapped out, 'There was a young fellow of Italy, who diddled the public quite prettily.' Further rude epithets followed. It was Nevil Maskelyne, a stage musician and inventor who was annoyed because Marconi's patents prevented him from using wireless. It was the first hacking, to demonstrate an insecure system.
America's Turn From Science, a Danger For Democracy
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Here's a good article about how playing politics with science puts our country at risk — a review of Shawn Otto's book Fool Me Twice: Fighting the Assault on Science in America. Today's policy-makers, Otto shows, are increasingly unwilling to pursue many of the remedies science presents. They take one of two routes: deny the science, or pretend the problems don't exist.
Anti-Whaling Group Using Drones To Find Whalers
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Anti-whaling group Sea Shepherd is using aerial drones to find and track factory ships used by Japanese whalers. The group claims the tactic shortened the Japanese whaling season last year by a month, saving 200 whales, and this year they've spotted the factory ship even earlier.
New Particle Identified At LHC
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A team of researchers working with the ATLAS experiment at the LHC have published an article in arXiv where they describe what is believed to be the first observation of a new particle: the boson Chi-b (3P). Professor Roger Jones, Head of the Lancaster ATLAS group, said 'While people are rightly interested in the Higgs boson, which we believe gives particles their mass and may have started to reveal itself, a lot of the mass of everyday objects comes from the strong interaction we are investigating using the Chi-b.'
Kepler Discovers First Earth-Sized Exoplanets
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NASA's Kepler telescope has reached one of its major mission milestones:finding an Earth-sized planet outside the Solar System. What's more, it has done it twice in the same star system. Whizzing around the star Kepler-20, about 290 parsecs (946 light-years) from Earth, is not only an Earth-sized planet, but also something just a touch smaller — a Venus.
NASA Considers Sending Telescope To the Outer Solar System
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A mission that astronomers and cosmologists have only dreamed about — until now. A team at JPL and Caltech has been looking into the possibility of hitching an optical telescope to a survey spacecraft on a mission to the outer solar system. Light pollution in our inner solar system, from both the nearby glow of the Sun and the hazy zodiacal glow from dust ground up in the asteroid belt, has long stymied cosmologists looking for a clearer take on the early Universe.
SOPA Creator In TV/Film/Music Industry's Pocket
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Representative Lamar Smith, the creator of the Stop Online Piracy Act (SOPA), has been consistently receiving donations averaging $50 000 from the TV/Film/Music industry for each of his re-election campaigns for the past ten years. Smith has received roughly half a million dollars from the TV/Film/Music lobby over the past ten years according to opensecrets.org. Check out the source link for a full breakdown of donors to Smith's campaigns.

"Speaking of SOPA, new submitter DarkStar1O9 submits this "explanation in simple terms of why this dangerous new bill in congress could result in the extinction of sites that are based on user-generated content like YouTube, Reddit, and StumbleUpon."
Comet Lovejoy Plunges Into the Sun and Survives
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NASA's account of comet Lovejoy's close encounter with the sun.

Excerpting: "This morning, an armada of spacecraft witnessed something that many experts thought impossible. Comet Lovejoy flew through the hot atmosphere of the sun and emerged intact. ... The comet's close encounter was recorded by at least five spacecraft: NASA's Solar Dynamics Observatory and twin STEREO probes, Europe's Proba2 microsatellite, and the ESA/NASA Solar and Heliospheric Observatory. The most dramatic footage so far comes from SDO, which saw the comet go in (movie) and then come back out again (movie)."

Here are larger QuickTime versions of the comet's entrance (22MB) and exit (26MB).
Hubble Captures the Violent Birth of a Star
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In what is one of the most staggeringly beautiful Hubble pictures ever taken, a newly-born massive star is blasting four separate jets of material into its surrounding cocoon, carving out cavities in the material over two light years long. But only three of the jets appear to have matter still inside them, and the central star is off-center. This may be a gorgeous picture, but the science behind it is equally as compelling.
Is the Earth Special?
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Planetary scientists say there are aspects to our planet and its evolution that are remarkably strange. In the first place there is Earth's strong magnetic field. No one is exactly sure how it works, but it has something to do with the turbulent motion that occurs in the Earth's liquid outer core and without it, we would be bombarded by harmful radiation from the Sun. Next there's plate tectonics. We live on a planet that is constantly recycling its crust, limiting the amount of carbon dioxide escaping into the atmosphere — a natural way of controlling the greenhouse effect. Then there's Jupiter-sized outer planets protecting the Earth from frequent large impacts. But the strangest thing of all is our big Moon. 'As the Earth rotates, it wobbles on its axis like a child's spinning top,' says Professor Monica Grady. 'What the Moon does is dampen down that wobble and that helps to prevent extreme climate fluctuations' — which would be detrimental to life. The moon's tides have also made long swaths of earth's coastline into areas of that are regularly shifted between dry and wet, providing a proving ground for early sea life to test the land for its suitability as a habitat. The 'Rare Earth Hypothesis' is one solution to the Fermi Paradox (PDF) because, if Earth is uniquely special as an abode of life, ETI will necessarily be rare or even non-existent. And in the absence of verifiable alien contact, scientific opinion will forever remain split as to whether the Universe teems with life or we are alone in the inky blackness.
17-Year-Old Wins $100K For Creating Cancer Killing Nanoparticle
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17-year-old Angeloa Zhang was recently awarded the $100,000 Grand Prize in the Individual category of the Siemens Competition in Math, Science & Technology. Her project was entitled 'Design of Image-guided, Photo-thermal Controlled Drug Releasing Multifunctional Nanosystem for the Treatment of Cancer Stem Cells.' The creation is the so-called 'Swiss army knife of cancer treatment,' which allows a nanoparticle to be delivered to a tumor where it proceeds to kills cancer stem cells.
NASA Missing Hundreds of Moon Rocks
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It seems NASA can't keep track of its goodies. A recent audit discovered thatmoon rocks have been missing for 30 years, loaned displays have gone unreturned, and book-keeping has been generally poor. From the article: 'In a report issued by the agency's inspector general on Thursday, NASA concedes that more than 500 pieces of moon rocks, meteorites, comet chunks and other space material were stolen or have been missing since 1970. That includes 218 moon samples that were stolen and later returned and about two dozen moon rocks and chunks of lunar soil that were reported lost last year. NASA, which has lent more than 26,000 samples, needs to keep better track of what is sent to researchers and museums, the report said. The lack of sufficient controls "increases the risk that these unique resources may be lost," the report concluded.'
Tycho Deep Space: a DIY, Open Source, Manned Spacecraft
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Can space travel be democratized? Kristian von Bengtson and Copenhagen Suborbitals think so, and they're building a DIY manned suborbital spacecraft to prove it. 'Bengtson describes the craft as "a half sized Apollo-shaped space capsule with a diameter of 2 meters capable of serving one (or two) persons." When complete, Bengtson hopes the suborbital craft will convey a human passenger higher than 62 miles above sea level, allowing him the rare opportunity to escape Earth’s bonds and view the heavens from the ionosphere.'
US Launches Virtual Embassy For Iran
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A week later, Iran blocked the site.
The administration of U.S. President Barack Obama has launched a virtual embassy for Iran in what it said was a bid to promote dialogue with the Iranian people in the absence of formal diplomatic ties. The web-based embassy went online on Tuesday in English and Farsi, offering visitors what it described as 'another perspective' for Iranians who 'remain hungry for information about the United States.' 'This website is not a formal diplomatic mission, nor does it represent or describe a real U.S. embassy accredited to the Iranian government,' the U.S. state department said in an introductory note. 'But, in the absence of direct contact, it can work as a bridge between the American and Iranian people.'
Voyager 1 Exits Our Solar System
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The first man-made craft to do so is now entering a 'cosmic purgatory' between solar systems and entering an interstellar space of the Milky Way Galaxy. With much anticipation, Voyager 1 is now 'in a stagnation region in the outermost layer of the bubble around our solar system. Voyager is showing that what is outside is pushing back.' After three decades the spacecraft is still operating and apparently has enough power and fuel to continue to do so until 2020. The first big piece of news? 'We've been using the flow of energetic charged particles at Voyager 1 as a kind of wind sock to estimate the solar wind velocity. We've found that the wind speeds are low in this region and gust erratically. For the first time, the wind even blows back at us. We are evidently traveling in completely new territory. Scientists had suggested previously that there might be a stagnation layer, but we weren't sure it existed until now.' This process could take months to years to completely leave the outer shell but already scientists are receiving valuable information.
US Air Force Pays SETI To Check Kepler-22b For Alien Life
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The Search for Extra Terrestrial Intelligence (SETI) has announced that it is back in business checking out the new [potentially] habitable exoplanets recently discovered by NASA's Kepler space telescope to see if they might be home to alien civilizations. The cash needed to restart SETI's efforts has come in part from the U.S. Air Force Space Command, who are interested in using the organization's detection instruments for 'space situational awareness'.
The Rise of Developeronomics
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Forbes has an article by Venkatesh Rao asserting that the safest investment for both corporations and individuals is in software developers. Throwing money at talented coders now — even on random projects — will build relationships that are likely to pay off big in the future. 'In what follows, I am deliberately going to talk about the developers like they are products in a meat market. For practical purposes, they are, since the vast majority of them haven't found a way to use their own scarcity to their advantage.'
Why Apple (and Sony, Amazon, and Microsoft) Should Support Jailbreaking
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EFF asked the U.S. Copyright Office to grant an exemption to the Digital Millennium Copyright Act for “jailbreaking” smart phones, tablets, and video game consoles. The exemptions are designed to dispel any legal clouds that might prevent users from running applications and operating systems that aren’t approved by the device manufacturer. The exemptions stem from section 1201 of the DMCA, which prohibits circumvention of “a technological measure that effectively controls access to a work protected under this title.”
In 2009, over strident opposition from Apple, EFF won an exemption from the Copyright Office for users who wish to jailbreak iPhones and other smartphones. Due in part to this ruling, a vibrant jailbreaking community has developed online that has immeasurably improved innovation, security, and privacy in these devices.
Kepler Confirms Exoplanet Inside Star's Habitable Zone
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Plenty of 'candidate' exoplanets exist, but for the first time, Kepler has confirmed the existence of an exoplanet orbiting its Sun-like star right in the middle of its 'habitable zone.' Kepler-22b is 2.4 times the radius of Earth and orbits its star every 290 days. 'This is a major milestone on the road to finding Earth's twin,' said Douglas Hudgins, Kepler program scientist at NASA Headquarters in Washington. 'Kepler's results continue to demonstrate the importance of NASA's science missions, which aim to answer some of the biggest questions about our place in the universe.'
Have Walled Gardens Killed the Personal Computer?
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Harvard Law School Prof Jonathan Zittrain explains in The Personal Computer is Dead why you should be afraid — very afraid — of the snowballing replicability of the App Store Model. 'If we allow ourselves to be lulled into satisfaction with walled gardens,' warns Zittrain, 'we'll miss out on innovations to which the gardeners object, and we'll set ourselves up for censorship of code and content that was previously impossible. We need some angry nerds.' Searchblog's John Battelle, who's also solidly in the tear-down-this-walled-garden camp, adds: 'I'm not a nerd, quite, but I'm sure angry.'
Fed Gave Banks Eye-Popping Emergency Loans, Without Telling Congress
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The Fed didn't tell anyone which banks were in trouble so deep they required a combined $1.2 trillion on Dec. 5, 2008, their single neediest day. Bankers didn't mention that they took tens of billions of dollars in emergency loans at the same time they were assuring investors their firms were healthy. And no one calculated until now that banks reaped an estimated $13 billion of income by taking advantage of the Fed's below-market rates, Bloomberg Markets magazine reports in its January issue.
How Publishers Are Cutting Their Own Throats With eBook DRM
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Sci-fi author Charlie Stross has written a post about how the Big Six book publishing companies have painted themselves into a corner in the rapidly growing ebook industry. Between user-unfriendly DRM and the Amazon juggernaut, they're slowly pushing themselves out of business. Quoting: 'Until 2008, ebooks were a tiny market segment, under 1% and easily overlooked; but in 2009 ebook sales began to rise exponentially, and ebooks now account for over 20% of all fiction sales. In some areas ebooks are up to 40% of the market and rising rapidly. (I am not making that last figure up: I'm speaking from my own sales figures.) And Amazon have got 80% of the ebook retail market. ... the Big Six's pig-headed insistence on DRM on ebooks is handing Amazon a stick with which to beat them harder. DRM on ebooks gives Amazon a great tool for locking ebook customers into the Kindle platform.'
Study Hints That Wi-Fi Near Testes Could Decrease Male Fertility
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A report that "a laptop connected wirelessly to the internet on the lap near the testes may result in decreased male fertility," writing "'[The scientists who conducted the research] placed healthy sperms under a laptop running a Wi-Fi connection. After four hours, the Wi-Fi exposed sperms showed 'a significant decrease in progressive sperm motility and an increase in sperm DNA fragmentation' compared to healthy sperms stored for the same time in the same temperature away from the computer. That is, the sperms exposed to Wi-Fi were less capable of moving towards an egg to fertilize it and less capable of passing on the male's DNA if it does fertilize an egg.' The scientists blamed the damage on non-thermal electromagnetic radiation generated by the Wi-Fi." However, the experiment was based on sperm outside the body; the researchers (here's the abstract from their study) note that "Further in vitro and in vivo studies are needed to prove this contention."
Scientists Cryo-Freeze Coral Reef
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Due to rising ocean temperatures, scientists from the United States and Australia are attempting to freeze coral eggs and sperm in cryogenic suspension so that the endangered species can be preserved. Once frozen, the species may later be grown in a lab and implanted in reefs. This could be the only way to ensure the survival of certain endangered species at The Great Barrier Reef.
Earthscraper Takes Sustainable Design Underground
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The 'Earthscraper,' a 65-story, 82,000-square-foot inverted pyramid beneath Mexico City takes a new approach to escalating megacity problems like population growth, urban sprawl, preserving open space, and conserving energy and water, promising to turn the modern high-rise, quite literally, on its head. The proposed building will be located at the Zocalo, Mexico City's major public plaza one of the few sizable open spaces left in the city of 9 million. 'It's a massive empty plot, which makes it the ideal site for our program,' says architect Esteban Suarez. The Earthscraper concept begins with a glass roof replacing the opaque stone surface of the Zocalo preserving the open space and civic uses of the Zocalo, while allowing natural lighting to flow downward into all floors of the tapering structure through clear or translucent core walls. The first 10 stories would hold a museum dedicated to the city's history and its artifacts. 'We'd almost certainly find plenty of interesting relics during the dig — dating right back to the Aztecs who built their own pyramids here,' says Suarez adding that the design incorporates a system of gardens occurring roughly every 10 stories, to help generate fresh air. One thing working in Earthscraper's favor is there are strict laws that prevent building upwards in this part of Mexico City, but no laws for building down. 'They will have to develop new laws to stop this from happening," says Chief Design Officer Emilio Barja. "I hope they don't [find the] time to do that.'
'Amateur' Astronomer Snaps Pic of Planet-Forming Disk
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Rolf Olsen, an 'amateur' astronomer in New Zealand, took an amazing photo of a disk of material around the star Beta Pictoris, the first time this has been seen outside of professional observatories. Incredibly, he snagged it with just a 25 cm (10") telescope! A comparison with an earlier pic from a much larger observatory indicates he nailed it, making this a milestone for amateur astronomy.
11 Amazing Things NASA's Huge Mars Rover Can Do
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NASA is getting set to launch its next Mars rover this week. The car-size Curiosity rover is the centerpiece of NASA's $2.5 billion Mars Science Laboratory (MSL) mission, slated to blast off Saturday (Nov. 26) from Cape Canaveral Air Force Station in Florida. The rover will employ 10 different science instruments to help it answer questions once it touches down on the Red Planet in August 2012.
Teenager Builds $300 Open Source Eye-Tracking System
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Developed by a 17-year-old electronics and programming whiz from Honduras, the Eyeboard system is a low-tech eyeball-tracking device that allows users with motor disabilities to enter text into a computer using eye gestures instead of a physical interface. This kind of system is not unique — there's plenty of eye tracking interfaces out there — but Luis Cruz has figured out a way to build the full system into a set of glasses for less than US$300, putting easier communication within reach of users in developing countries. He's also releasing the software as open source to speed up development.
Pristine Big Bang Gas Found
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U.S. scientists have found two interstellar clouds of original gas, which contain only original elements created moments after the universe's birth (abstract). Unlike everything else in the universe, the gas clouds have never mingled with elements forged later in stars. The existence of pristine gas that formed minutes after the Big Bang explosion, some 13.7 billion years ago, had been predicted, but never before observed.
NASA Snaps New Photo of Incoming Asteroid
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Wider than an aircraft carrier and darker than coal, asteroid 2005 YU55 is soaring at over 11 miles a second straight towards Earth and moon on its latest path through the inner solar system. This new radar image was acquired Nov. 7 by the 70-meter radio telescope at NASA's Deep Space Network in Goldstone, Calif., and shows the approaching space rock in unprecedented detail."
Phil Plait has posted some information from NASA about just how they're doing the tricky job of tracking the asteroid.
World Emissions of Carbon Dioxide Outpace Worst-Case Scenario
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The global output of heat-trapping carbon dioxide jumped by the biggest amount on record in 2010, the U.S. Department of Energy calculated. A chart accompanying the study shows the breakdown by country. The new figures mean that levels of greenhouse gases are higher than the worst case scenario outlined by climate experts just four years ago. It is a 'monster' increase that is unheard of, said Gregg Marland, a professor of geology at Appalachian State University, who has helped calculate Department of Energy figures in the past. The question now among scientists is whether the future is the IPCC's worst case scenario or something more extreme.
Gecko-Inspired Tape Can Be Reused Thousands of Times
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As is so often the case these days for those searching for a better way to stick stuff together, researchers from the Zoological Institute at the University of Kiel in Germany have turned to the biology of gravity-defying ceiling walkers, such as geckos and insects. These creatures served as inspiration for a new dry adhesive tape that not only boasts impressive bonding strength, but can also be attached and detached thousands of times without losing its adhesive properties.
Minor Quakes In the UK Likely Caused By Fracking
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Non-conventional extraction of hydrocarbons is the next wave of production, including natural gas and oil – at least according to its advocates. One of the most controversial of the technologies being used is hydraulic fracture drilling, or 'fracking.' Energy companies have been gobbling up Google ad words to push the view that the technology is 'proven' and 'safe,' while stories about the damage continue to surface. Adding to the debate are two small tremors in the UK — below 3.0, so very small – that were quite likely the result of fracking there. Because the drilling cracks were shallow, this raises concerns that deeper cracks near more geologically active areas might lead to quakes that could cause serious damage.
Asteroid Passes Closer To Earth Than the Moon on Nov 8
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NASA scientists will be tracking asteroid 2005 YU55 with antennas of the agency's Deep Space Network at Goldstone, Calif., as the space rock safely flies past Earth slightly closer than the moon's orbit on Nov. 8. Scientists are treating the flyby of the 1,300-foot-wide (400-meter) asteroid as a science target of opportunity – allowing instruments on 'spacecraft Earth' to scan it during the close pass
Intelligent Absorbent Removes Radioactive Material
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Nuclear power plants are located close to sources of water, which is used as a coolant to handle the waste heat discharged by the plants. This means that water contaminated with radioactive material is often one of the problems to arise after a nuclear disaster. Researchers at Australia's Queensland University of Technology (QUT) have now developed what they say is a world-first intelligent absorbent that is capable of removing radioactive material from large amounts of contaminated water, resulting in clean water and concentrated waste that can be stored more efficiently.
Google Starts Indexing Facebook Comments
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Users of Facebook Connect have previously enjoyed extra privacy as it was harder for Google to index comments made on the platform. Google, which also runs the competing service Google+, has now started indexing Facebook's public comments as well as comments made on platforms Disqus and Intense Debate, which all used programming that was hard for Google to read. Public comments and links made on those platforms will now be directly visible and searchable in Google.
Climate Change Skeptic Results Released Today
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A leading climate change skeptic, Richard Muller, will release results today showing that global warming is indeed happening. He has shown that two items skeptics look to, urban heat islands and unreliable weather stations, do not skew the data. The amazing part is that this research is funded by the Koch brothers, two investors who fund climate change skeptics whenever possible.
Fish Evolve Immunity To Toxic Sludge
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Fish in the Hudson River and the harbor in New Bedford, Mass., have evolved resistance to PCBs. In the Hudson, a species of tomcod has evolved a way for a very specific protein to simply not bind to PCBs, nearly eliminating the toxicity. In New Bedford, the Atlantic killifish has proteins that bind to the toxin (just as the do in mammals) but the fish aren't affected despite high levels of PCBs in their cells. Why the killifish survive is a mystery.
'Invisible Glass' Solves Screen Reflection Problems
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The days of dealing with very reflective glass panels may soon be behind us. Nippon Electric Glass has used the FPD International 2011 conference in Japan this week to show off its new 'invisible glass' panel. What NEG has done is added anti-reflection films to both the front and back of the glass that are only nanometers thick. Look at a typical sheet of glass and you will see about 8% of the light reflected off of it. With NEG's anti-reflection film in place, that is reduced to just 0.5%.
Stars Found To Produce Complex Organic Compounds
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Researchers at the University of Hong Kong observed stars at different evolutionary phases and found that they are able to produce complex organic compounds and eject them into space, filling the regions between stars. The compounds are so complex that their chemical structures resemble the makeup of coal and petroleum, the study's lead author Sun Kwok, of the University of Hong Kong, said.
Rural Broadband to Replace POTS As Beneficiary of US Gov't Subsidies
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IDG reports that "The U.S. Federal Communications Commission has voted to overhaul a decades-old system of telephone subsidies in rural areas, with the funding refocused on broadband deployment. The FCC's vote Thursday would transition the Universal Service Fund's (USF's) high-cost program, now subsidizing voice service, to a new Connect America Fund focused on broadband deployment to areas that don't yet have service. The FCC will cap the broadband fund at $4.5 billion a year, the current budget of the USF high-cost program, funded by a tax on telephone bills." That cap, says Reuters, is "the first budget constraint ever imposed on the program."
Why Economic Models Are Always Wrong
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Did you ever wonder how and why professional economists often seem to get it wrong in terms of predicting consequences or policies accurately (or even at all)? Or how very few even saw the current economic collapse? This article provides an interesting, if obvious, reason as to why economic models are effectively always wrong.
350 Years of Science Online
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The BBC reports that the Royal Society is putting all of its old papers online and has a fascinating sample of articles from the first several years. You can reach all the old journal articles from this page at the Royal Society by selecting a journal and going to past issues
Earth Officially Home To 7 Billion Humans
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It's official: planet Earth is now home to over seven billion ugly-bags-of-mostly-water (otherwise known as humans). We're adding ten thousand new humans every hour, or one billion every nine years. Head over to 7 Billion Actions (put together by the UN with the help of SAP) and check out the population map data. Short of adopting a strict diet of Soylent Green, what viable solutions will enable us to survive on this increasingly crowded pale blue dot? What will the role of technology be in supporting this many people?
German Paleontologists Find a 'Near-Perfect' Dinosaur Fossil
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German paleontologists have discovered what they believe is the best-preserved dinosaur skeleton ever found.The flesh-eating member of the theropod subgroup, which walked on its hind legs, is about 98 percent complete, and also includes preserved bits of skin. 'The around 135-million-year-old fossil is of outstanding scientific importance.
The Case For Piracy
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You can be patriotic and oppose the Patriot Act. You can be honest and oppose the fight against "piracy"
"A mainstream media outlet has published an article called 'The Case for Piracy. The writer shows how copyright has been hijacked by corporations and that publishers are their own worst enemies. 'One of the main reasons we all have anti-piracy slogans embedded in our brains is because the music industry chose to try and protect its existing market and revenue streams at all costs and marginalise and vilify those who didn't want to conform to the harsh new rules being set.' There's a lot in the article that Slashdot readers can relate to, and it's interesting that so many replies seem to agree with the author.
GLORIA To Give Amateur Astronomers Access To Robotic Telescopes
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Amateur astronomers wanting to observe celestial bodies soon won't be limited to just their own personal telescopes, or visits to the local public observatory. Starting next year, the first in a worldwide network of robotic telescopes will be going online, which users from any location on the planet will be able to operate for free via the internet. Known as GLORIA (GLObal Robotic telescopes Intelligent Array for e-Science), the three-year European project will ultimately include 17 telescopes on four continents, run by 13 partner groups from Russia, Chile, Ireland, the United Kingdom, Italy, the Czech Republic, Poland and Spain. Not only will users be able to control the telescopes from their computers, but they will also have access to the astronomical databases of GLORIA and other organizations.
Facebook Is Building Shadow Profiles of Non-Users
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"As noted previously, Max Schrems of Europe Versus Facebook has filed numerous complaints about Facebook's data collection practices. One complaint that has failed to draw much scrutiny regards Facebook's creation of Shadow Profiles. 'This is done by different functions that encourage users to hand personal data of other users and non-users to Facebook... (e.g. synchronizing mobile phones, importing personal data from e-mail providers, importing personal information from instant messaging services, sending invitations to friends or saving search queries when users search for other people on facebook.com). This means that even if you don't use it, you may already have a profile on Facebook.'
NASA Charters Flights Aboard Virgin's SpaceShipTwo
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Although Virgin Galactic is generally known as a space tourism company, it sees research experiments as a future mission segment and significant business opportunity. To this end, the company has signed a contract with NASA to provide up to three charter flights on its SpaceShipTwo suborbital spaceplane. The deal follows the curtain closing on the Space Shuttle program earlier this year and is part of NASA's Flight Opportunities Program, which is charged with providing reduced-gravity environments for research experiments while encouraging the emerging commercial space industry."
In related news, a 68,000-sq. ft. facility has opened in California that will assist in the assembly of SpaceShipTwo spaceplanes.
T-Rex Bigger and Hungrier Than Previously Thought
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Researcher John Hutchinson (Royal Veterinary College in London) and Peter Makovicky (Field Museum of Natural History, Chicago) built digital models of a T-rex and then added flesh using the structure of soft tissues in birds and crocodiles as a guide. This allowed them to project body mass. By doing this for a number of specimens of different age and size, they could also evaluate growth. At maximum, the adolescents could add 11 pounds in weight in a single day. The adult was found to be 30% heavier than earlier estimates at more than 9 tons. With the size and appetite, it would lead also to the perspective that they would need a large range, and therefore also be relatively rare in the ecosystem of the time.
US Drone Fleet Hit By Computer Virus
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Follow-up:
Predator Drone 'Virus' Could Be Military's Own Monitoring
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A computer virus has infected the cockpits of America's Predator and Reaper drones, logging pilots' every keystroke as they remotely fly missions over Afghanistan and other warzones. The virus, first detected nearly two weeks ago by the military's Host-Based Security System, has not prevented pilots at Creech Air Force Base in Nevada from flying their missions overseas. Nor have there been any confirmed incidents of classified information being lost or sent to an outside source. But the virus has resisted multiple efforts to remove it from Creech's computers, network security specialists say. And the infection underscores the ongoing security risks in what has become the U.S. military's most important weapons system.'
Graphene Creates Electricity When Struck By Light
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news out of MIT about another interesting and potentially useful property of graphene. Researchers have known for several years that graphene generates electricity when exposed to sunlight, but incorrectly attributed it to the photovoltaic effect. A new paper shows that the current is actually generated from the much more unusual 'hot-carrier' response. Quoting:
"The material’s electrons, which carry current, are heated by the light, but the lattice of carbon nuclei that forms graphene’s backbone remains cool. It’s this difference in temperature within the material that produces the flow of electricity. ... Such differential heating has been observed before, but only under very special circumstances: either at ultralow temperatures (measured in thousandths of a degree above absolute zero), or when materials are blasted with intense energy from a high-power laser. This response in graphene, by contrast, occurs across a broad range of temperatures all the way up to room temperature, and with light no more intense than ordinary sunlight."
It will take more work to determine what new applications are reasonable from an efficiency perspective, but it does broaden graphene's already-impressive capabilities.
Autism Traits Prove Valuable for Software Testing
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Back in 2009 we ran a story about a Chicago based non-profit company that trained high-functioning autistic people to be software testers. Two years later Aspiritech has grown to offer services in Belgium, Japan and Israel. Autistic debuggers are used by large clients like Oracle and Microsoft and have proven to be so good in fact that companies are now recruiting to meet demand. From the article: "Aspiritech's board of directors includes social service providers, therapists, a vocational expert and a software engineer. The nonprofit also received start-up advice and consultation from Keita Suzuki, who has co-founded a similar company, called Kaien, in Japan. Aspiritech has hired and trained seven recruits with Asperger's syndrome. These recruits have since worked on software-testing projects for smartphone and cloud-computing applications. Aspiritech now offers functional-, compatibility- and regression-testing, as well as test-case development, with experience in cloud-computing platforms including Salesforce."
NY Senators Want To Make Free Speech A Privilege
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A group of four NY state senators have written a paper suggesting thatfree speech should be looked upon as a government granted privilege rather than a right. They're specifically concerned about cyberstalking and cyberbullying, and are introducing legislation to make both of those against the law. Among other troubling concepts, they argue that merely 'excluding' someone from a group is a form of cyberbullying.
Spock Gives Up the Con
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Leonard Nimoy announced at the Creation Con in Chicago, celebrating the 45th anniversary of Star Trek, that this would be his last appearance at a Trek convention. He spoke for an hour, which at least suggests that he's making this move by choice and not out of necessity. He's 80 years old. 'Live long and prosper,' he told the crowd.
New Close-Ups of Saturn's Geyser Moon
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Over the weekend, the robotic spacecraft Cassini buzzed Saturn's moon Enceladus and its intriguing geysers. Cassini flew just 62 miles above the moon's surface — and right through its jets of water vapor and ice — both capturing pictures and 'tasting' the geyser plumes. Cassini makes another pass by Enceladus later this month. Even more pictures can be seen in the stream of raw images sent by the probe.
World's Most Powerful Telescope Begins Search For Origin of the Universe
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The largest astronomical installation in the world is now operational. ALMA, or the Atacama Large Millimeter Array, is a vast radio telescope made out of 66 12- and 7-meter dish antennae situated 5,000m above sea level, in Chile. Its purpose is to seek out new life and new civilizations and to boldly go where no telescope has gone before. But no, seriously: its job is to peer into the past and investigate ancient stars and nebulae, peer at exoplanets that might support human (or alien) life, and hopefully learn more about interstellar creation and destruction. For now only 20 out of 66 antennae are in place, but when it is complete — late next year — it will have a resolving power far greater than Hubble, according to the European Space Observatory (ESO) that operates ALMA.
Mercury Turns Out To Be a Weird Little World
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"The robotic spacecraft MESSENGER, now orbiting the first planet, has found new findings odd features on its surface, including unexplained, blueish 'hollows' that may be actively forming today. The findings will be published this week in Science. One scientist said, 'The conventional wisdom was that Mercury is just like the Moon. But from its vantage point in orbit, MESSENGER is showing us that Mercury is radically different from the Moon in just about every way we can measure.'"
As you might expect, National Geographic has beautiful imagery to go along with the story.
Man-In-the-Middle Remote Attack On Diebold Voting Machines
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What this article basically says is that both Diebolt and Sequoia electornic voting systems can be hacked and the election results fixed.
a vulnerability discovered in the Diebold Accuvote voting system, which could be used to alter voting results without leaving evidence of tampering. Quoting Salon:
"[T]he Argonne team's attack required no modification, reprogramming, or even knowledge, of the voting machine's proprietary source code. ... The team's video demonstrates how inserting the inexpensive electronic device into the voting machine can offer a "bad guy" virtually complete control over the machine. A cheap remote control unit can enable access to the voting machine from up to half a mile away. ... The video shows three different types of attack, each demonstrating how the intrusion developed by the team allows them to take complete control of the Diebold touch-screen voting machine. They were able to demonstrate a similar attack on a DRE system made by Sequoia Voting Systems as well."
European Users Overwhelm Facebook With Data Requests
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"If you've ever wondered how much personal data Facebook holds about you then prepare to be surprised. Using European data privacy laws, it's possible to request the data Facebook has stored about you. The document can total 800 pages covering everything from the expected name, address, and date of birth, right through to every event you've attended, every message you've deleted, and your political and religious views."
The best part is that Facebook has to send a physical disc containing the data. This has been exploited by a number of users, completely overwhelming Facebook's ability to make the discs.
Sesame Street Begins Teaching Math and Science
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This season of 'Sesame Street,' which premiered today, has added a few new things to its usual mix of song, dance and educational lessons. In its 42nd season, the preschool educational series is tackling math, science, technology and engineering all problem areas for America's students in hopes of helping kids measure up. ... This season, 'Sesame Street' will include age-appropriate experimentation even the orange monster Murray will conduct science experiments in a recurring feature.
Researchers Create Renewable Carbon Dioxide Sponge
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Concerned about adding too much carbon dioxide to the atmosphere? Consider a roof top coating on your car with this new material. A multinational team of researchers have developed a renewable sponge like material to capture and store gaseous carbon dioxide. The organic material is made up of gamma-cyclodextrin. Conventional metal-organic frameworks, which also are effective at adsorbing carbon dioxide, are usually prepared from materials derived from crude oil and often incorporate toxic heavy metals and are also non-renewable. The research paper published in the Journal of the American Chemical Society claims that its synthesis is essentially carbon-neutral and have the demonstrated ability to absorb carbon dioxide from the atmosphere makes them promising materials for carbon fixation.
NASA Rolls Out Space Exploration Roadmap
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NASA and the space agencies of a variety of countries, including members of the European Union, Canada, Japan, Russia, India, the Ukraine, and South Korea, have rolled out the latest version of a space exploration roadmap (PDF). NASA and its partners have created two scenarios, called 'Asteroid Next' and 'Moon Next.' This represents the continuing argument over which destination astronaut explorers should go to first. Should it be an Earth approaching asteroid, as President Obama insists? Or should it be the moon, as many people in Congress, NASA, and NASA's partner agencies suggest? In any event, all roads lead to Mars in the current plan. Both visits to an asteroid and to the moon are considered practice runs for what will be needed to go to Mars.
Borders Bust Means B&N May Get Your Shopping History
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To perhaps no one's surprise, Borders bookstore collected a ton of consumer information — such as personal data, including records of particular book and video sales — during its normal course of business. Such personal information Borders promised never to share without consumer consent. But now that the company is being sold off as part of its bankruptcy filing, all privacy promises are off. Reuters wrote this week that Barnes & Noble, which paid almost $14 million for Borders' intellectual assets (including customer information) at auction last week, said it should not have to comply with certain customer-privacy standards recommended by a third-party ombudsman.
CERN claims faster-than-light particle measured
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A fundamental pillar of physics , that nothing can go faster than the speed of light , appears to be smashed by an oddball subatomic particle that has apparently made a giant end run around Albert Einstein's theories.
Gamers Piece Together Retrovirus Enzyme Structure
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Gamers have solved the structure of a retrovirus enzyme whose configuration had stumped scientists for more than a decade. The gamers achieved their discovery by playing Foldit, an online game that allows players to collaborate and compete in predicting the structure of protein molecules. After scientists repeatedly failed to piece together the structure of a protein-cutting enzyme from an AIDS-like virus, they called in the Foldit players. The scientists challenged the gamers to produce an accurate model of the enzyme. They did it in only three weeks.
Stunning Time Lapse of the Earth From the ISS
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Science educator James Drake took 600 still photos from the International Space Station as it orbited the Earth, and created a fantastic time-lapse animation out of them. It must be seen to be appreciated; storms and cities fly past below in amazing clarity.
Dinosaur Feathers Found In Amber
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A stunning array of prehistoric feathers, including dinosaur protofeathers, has been discovered in Late Cretaceous amber from Canada. 'Protofeathers aren't known from any modern, existing groups of birds and therefore the most obvious interpretation is that they belong to dinosaurs,' said University of Alberta professor, Alexander P. Wolfe. The 78 to 79-million-year-old amber preserved the feathers in vivid detail, including some of their diverse colors.
NASA's Twin GRAIL Craft On Their Way To the Moon
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The twin lunar Gravity Recovery and Interior Laboratory (GRAIL) spacecraft lifted off from Cape Canaveral this morning. GRAIL-A is scheduled to reach the moon on New Year's Eve 2011, while GRAIL-B will arrive New Year's Day 2012. The two solar-powered spacecraft will fly in tandem orbits around the moon to measure its gravity field. Lunar explorers hope the mission will answer longstanding questions about the moon 'from crust to core.'
Kepler Discovers 'Phantom' Exoplanet
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The Kepler space telescope has spotted an extra-solar planet with a very odd orbit. Sometimes Kepler-19b slows down by five minutes during its 9-day orbit. Other times it speeds up by five minutes. Johannes Kelper's laws of orbital dynamics never said a celestial body can arbitrarily speed up and slow down; another planetary body must therefore be gravitationally acting on Kepler-19b. Enter Kepler-19c, a world that hasn't been observed, but its gravitational effects have. This is an unprecedented discovery, one that could potentially be used in multi-planetary star systems to discover more 'phantom' worlds that would have otherwise gone unnoticed.
'Mosaic' Fossil Could Be Bridge From Apes To Humans
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A pair of fossils from a South African cave have scientists both excited and puzzled. Scientists say the fossils — an adult female and a juvenile — could be the long-sought transition between ape-like ancestors and the first humans.

The bones belong to creatures related to the famous Lucy fossil found in Ethiopia in the 1970s, but their owners lived more recently — just 2 million years ago.
Researchers' Typosquatting Stole 20 GB of E-Mail
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Two researchers who set up doppelganger domains to mimic legitimate domains belonging to Fortune 500 companies say they managed to vacuum up 20 gigabytes of misaddressed e-mail over six months. The intercepted correspondence included employee usernames and passwords, sensitive security information about the configuration of corporate network architecture that would be useful to hackers, affidavits and other documents related to litigation in which the companies were embroiled, and trade secrets, such as contracts for business transactions.
NASA Reveals New Images of Apollo Landing Sites
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"Sharp new images from the Lunar Reconnaissance Orbiter show the Apollo 12, 14 and 17 landing sites in amazing detail, including the last foot trails left by astronauts on the lunar surface."
These pictures were grabbed after the LRO dropped its orbit from 50km above the surface to 25km.
See a Supernova From Your Backyard
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Want to catch a glimpse of the closest supernova astronomers have discovered in the last 25 years? All you need to do is get yourself a small telescope or a pair of binoculars (some DSLRs would do just fine as well). Astronomers think that they may have found the supernova within hours of its initial explosion on August 24. Generally, supernovas are around 1 billion light years away but this one is only 21 million light years away. The supernova is in the Pinwheel Galaxy and you can see it within the Big Dipper.
Apple's iCloud Runs On Microsoft Azure
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Apple's recently announced cloud storage and cloud service platform, iCloud, runs on their main competitor Microsoft's Azure platform and Amazon services. According to The Reg's sources, 'Microsoft insiders see the iCloud deal as a validation of Azure. iCloud puts Azure into a different league, given the brand love for Apple and the Apple management's fanatical attitude to perfection. It is a "huge consumer brand, a great opportunity to get Azure under a very visible workload." ... Apple has had a recent unpleasant experience in providing online services: in a famous memo, Steve Jobs admitted his company had "more to learn about internet services" following the outages and failures of his precursor to iCloud for email, contacts, calendar, photos and other files on MobileMe.'
Alloy Could Produce Hydrogen Fuel Using Sunlight
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Using state-of-the-art theoretical computations, a University of Kentucky-University of Louisville team demonstrated that an alloy formed by a 2 percent substitution of antimony (Sb) in gallium nitride (GaN) has the right electrical properties to enable solar light energy to split water molecules into hydrogen and oxygen, a process known as photoelectrochemical (PEC) water splitting. When the alloy is immersed in water and exposed to sunlight, the chemical bond between the hydrogen and oxygen molecules in water is broken (abstract). Because pure hydrogen gas is not found in free abundance on Earth, it must be manufactured by unlocking it from other compounds. Thus, hydrogen is not considered an energy source, but rather an 'energy carrier.' Currently, it takes a large amount of electricity to generate hydrogen by water splitting. As a consequence, most of the hydrogen manufactured today is derived from non-renewable sources such as coal and natural gas. The team says the GaN-Sb alloy has the potential to convert solar energy into an economical, carbon-free source for hydrogen.
Baby Red Dwarf Found Just 27 Light Years Away
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Astronomers have found an infant red dwarf star 27 light years away from Earth, and it's just 40 million years old. 'The star has been known about and studied for the past 15 years, but it wasn't realized it was so young and so close, until now,' co-author Simon Murphy, a PhD student from the Australian National University said in the story. More accurate measurements from telescopes have aided the revised distances of the star dubbed 'AP Colombae'
Joining Blood Vessels Without Sutures
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Stanford microsurgeons have used a poloxamer gel and bioadhesive, rather than a needle and thread, to join together blood vessels. The technique, published in the recent issue of Nature Medicine, may replace the 100-year-old method of reconnecting severed blood vessels with sutures. According to the authors of the study, 'ultimately, this has the potential to improve patient care by decreasing amputations, strokes and heart attacks while reducing health-care costs.'
'Instant Cosmic Classic' Supernova Discovered
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A supernova discovered yesterday is closer to Earth — approximately 21 million light-years away—than any other of its kind in a generation. Astronomers believe they caught the supernova within hours of its explosion, a rare feat made possible with a specialized survey telescope and state-of-the-art computational tools. 'We caught this supernova very soon after explosion. PTF 11kly is getting brighter by the minute. It’s already 20 times brighter than it was yesterday,' said Peter Nugent, the senior scientist at Berkeley Lab who first spotted the supernova. ... the supernova is still getting brighter, and might even be visible with good binoculars in ten days’ time, appearing brighter than any other supernova of its type in the last 30 years.
NASA Discovers 7th Closest Star
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Scientists using data from NASA's Wide-field Infrared Survey Explorer (WISE) have discovered the coldest class of star-like bodies, with temperatures as cool as the human body. Astronomers hunted these dark orbs, termed Y dwarfs, for more than a decade without success. When viewed with a visible-light telescope, they are nearly impossible to see. WISE's infrared vision allowed the telescope to finally spot the faint glow of six Y dwarfs relatively close to our sun, within a distance of about 40 light-years. 'WISE scanned the entire sky for these and other objects, and was able to spot their feeble light with its highly sensitive infrared vision,' said Jon Morse, Astrophysics Division director at NASA Headquarters in Washington. 'They are 5,000 times brighter at the longer infrared wavelengths WISE observed from space than those observable from the ground.'
Download.com Now Wraps Downloads In Bloatware
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At Download.com, page designs have been repeatedly tweaked over the years to push its updater software (now called TechTracker), TrialPay offers, and the site's mailing list. Bothersome, perhaps, but certainly not inexcusable. They've got to make money off the site somehow, after all, and banner ads don't always do the job. Now, things have taken a turn for the worse: Cnet has begun wrapping downloads in its own proprietary installer. Not only will this cause the reputation of free, legitimate software to be tarred by Cnet's bloatware toolbars, homepage changes, and new default search engines — but Cnet is even claiming that their installer wrapping is 'for the users.'
Meet The Tacit Project. It’s Sonar For The Blind.
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It's wrist mounted and senses objects from about 1 inch (2 cm) to 10 feet (3.5m). It has generally fast response time (fractions of a second) to quickly navigate complex environments. It's designed to help a vision impaired person to navigate complex environments. Mounted to the back of the hand, the force feedback means it doesn't interfere with other assistance devices that mount elsewhere and use audio feedback cues. The learning curve is measured in seconds, everyone who has worn it has figured it out immediately.
More Stanford Computing Courses Go Free
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Following on the recent Slashdot item on the availability of a free Stanford AI course there is news that two other Stanford Computer Science courses are also joining in this 'bold experiment in distributed education' in which students not only have access to lecture videos and other course materials but will actively participate by submitting assignments and getting regular feedback on their progress. The subjects are Machine Learning with Andrew Ng and Database with Jennifer Widom. This open approach looks as if it might be a success with well over 100,000 prospective students signing up to the AI course alone.
Most People Have Never Heard of CTRL+F
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Google search anthropologist Dan Russell says that 90 percent of people in his studies don't know how to use CTRL/Command + F to find a word in a document or web page. 'I do these field studies and I can't tell you how many hours I've sat in somebody's house as they've read through a long document trying to find the result they're looking for,' says Russell, who has studied thousands of people on how they search for stuff. 'At the end I'll say to them, "Let me show one little trick here," and very often people will say, "I can't believe I've been wasting my life!"' Just like we learn to skim tables of content or look through an index or just skim chapter titles to find what we're looking for, we need to teach people about this CTRL+F thing, says Alexis Madrigal. 'I probably use that trick 20 times per day and yet the vast majority of people don't use it at all,' writes Madrigal. 'We're talking about the future of almost all knowledge acquisition and yet schools don't spend nearly as much time on this skill as they do on other equally important areas.'
Study Shows Dogs Can Sniff Out Lung Cancer
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Last year, researchers developed a cancer-detecting electronic nose inspired by dogs' ability to sniff out different types of ovarian cancer. Now a new study has found that sniffer dogs' abilities extend to reliably detecting lung cancer. The researchers say the results of the study (abstract) confirm that there is a stable marker for lung cancer, which offers the possibility that a 'breath test' for the early detection of lung cancer could be developed.
13-Year-Old Uses Fibonacci Sequence For Solar Power Breakthrough
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7th grader Aidan Dwyer, who used phyllotaxis — the way leaves are arranged on plant stems in nature — as inspiration to arrange an array of solar panels in a way that generates 20-50% more energy than a uniform, flat panel array. Aidan wrote,
"I designed and built my own test model, copying the Fibonacci pattern of an oak tree. I studied my results with the compass tool and figured out the branch angles. The pattern was about 137 degrees and the Fibonacci sequence was 2/5. Then I built a model using this pattern from PVC tubing. In place of leaves, I used PV solar panels hooked up in series that produced up to 1/2 volt, so the peak output of the model was 5 volts. The entire design copied the pattern of an oak tree as closely as possible. ... The Fibonacci tree design performed better than the flat-panel model. The tree design made 20% more electricity and collected 2 1/2 more hours of sunlight during the day. But the most interesting results were in December, when the Sun was at its lowest point in the sky. The tree design made 50% more electricity, and the collection time of sunlight was up to 50% longer!"
His work earned him a Young Naturalist Award from the American Museum of Natural History and a provisional patent on the design.
Virtual Lab Rat Saves Human Lives
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There is already a Virtual Physiological Human project going on in Europe, to program a simulated human that can serve as a guinea pig, but this National Institute of Health effort to program a Virtual Physiological Rat promises to help humans even more. It's too difficult to simulate humans with algorithms, but the simpler rat physiology can be easily programmed, and by hand-tweaking its virtual genes, these rats-in-an-algorithm can be set up to what-if about interventions that cure human diseases more easily that when simulating humans directly. Long live the virtual lab rat!
SpaceX Given Approval For ISS Mission
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California-based rocket maker SpaceX said that it will make a test flight in late November to the International Space Station, now that NASA has retired its space shuttle program. 'SpaceX has been hard at work preparing for our next flight — a mission designed to demonstrate that a privately-developed space transportation system can deliver cargo to and from the International Space Station (ISS),' the company, also called Space Exploration Technologies, said in a statement. The mission is the second to be carried out by SpaceX, one of a handful of firms competing to make a spaceship to replace the now-defunct US shuttle, which had been used to carry supplies and equipment to the orbiting outpost. 'NASA has given us a November 30, 2011 launch date, which should be followed nine days later by Dragon berthing at the ISS,' the company said."
SpaceX has an information sheet for the Dragon capsule, as well as an interesting post about the costs involved in their launches.
CERN Physicist Says Dark Matter May Be an Illusion
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A CERN physicist has a new theory explaining the rotational curves of galaxies. 'The key message of my paper is that dark matter may not exist and that phenomena attributed to dark matter may be explained by the gravitational polarization of the quantum vacuum,' Hajdukovic told PhysOrg.com. 'The future experiments and observations will reveal if my results are only (surprising) numerical coincidences or an embryo of a new scientific revolution.' Given the many theories around explaining various observations in recent times, there seems to be a breakthrough is on its way in our understanding of the cosmos.
8 Grams of Thorium Could Replace Gasoline In Cars
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Thorium, an abundant and radioactive rare earth mineral, could be used in conjunction with a laser and mini turbines to easily produce enough electricity to power a vehicle. When thorium is heated, it generates further heat surges, allowing it to be coupled with mini turbines to produce steam that can then be used to generate electricity. Combining a laser, radioactive material, and mini-turbines might sound like a complicated alternative solution to filling your gas tank, but there's one feature that sells it as a great alternative solution: 1 gram of thorium produces the equivalent energy of 7,500 gallons of gasoline.
US Energy Panel Cautiously Endorses Fracking
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I believe that the drillers want the exact composition of their chemicals to be kept secret, but I think that is more to hide what damage they might be doing than "competitive advantage." :-( Of course, it was only 68% contamination. So, sometimes it is fine. ;^)
The Christian Science Monitor reports that a U.S. Energy Department advisory panel has endorsed fracking, or hydraulic fracturing, a promising technology that injects a mixture of water, sand, and chemicals underground to fracture rock and release shale gas previously thought unretrievable, paving the way for tens of thousands of new wells. If fracking can be done safely, it could be a major source of domestic energy over the next century. Shale gas makes up about 14 percent of the U.S. natural gas supply today, but is expected to reach 45 percent by 2035. But first, serious environmental concerns must be addressed. Earlier this year, a Duke University study of 68 private groundwater wells in Pennsylvania and New York state found evidence that shale-gas extraction has caused them to become contaminated with methane. One key recommendation by the panel is a call for transparency regarding the use of chemicals in the extraction process. Drillers say they would like to keep the exact formula of the chemicals they use secret because it represents a competitive advantage.
Hackers break into Subaru Outback via text message
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We've already seen SCADA systems controlled by Google Search, and now the Black Hat Technical Security Conference is offering up yet another slice of cringe-inducing hacker pie. A pair of pros from iSec Partners security firm was able to unlock and start the engine of a Subaru Outback using an Android phone and a process they call war texting. By setting up their own GSM network, they were able to snatch up password authentication messages being sent from server to car, allowing them the option to ride off in a brand new crossover. Apparently, your car isn't the only thing in danger of a war-texting takeover, however, as the team says there are a slew of devices and systems, accessible over telephone networks, that are vulnerable to similar attacks, including A-GPS tracking devices, 3G security cameras, SCADA sensors -- and thus the power grid and water supply -- home automation, and urban traffic control systems. Somehow this group of otherwise innocent looking New York texters appears a whole lot more sinister now.
Anti-Matter Belt Discovered Around Earth
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A thin band of antiprotons enveloping the Earth has been spotted for the first time. The find, described in Astrophysical Journal Letters [arXiv] (Note: abstract free, full text paywalled), confirms theoretical work that predicted the Earth's magnetic field could trap antimatter. The antiprotons were spotted by the Pamela satellite launched in 2006 to study the nature of high-energy particles from the Sun and cosmic rays. Aside from confirming theoretical work that had long predicted the existence of these antimatter bands, the particles could also prove to be a novel fuel source for future spacecraft — an idea explored in a report for NASA's Institute for Advanced Concepts.
Computers Could Grade Essay Tests Better Than Profs
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Robot essay graders could be the answer to grade inflation. New software being tested turns over the task of grading to computers — this article has an interactive demo of the software. One professor says the computer is far fairer than human graders, who get tired and become inconsistent, or play favorites.
Dyslexie is a typeface for dyslectics
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Dyslexie is a typeface for dyslectics. The University of Twente did research on the typeface. Hereby a part of their conclusion:
"The dyslectics made fewer errors, than the normal readers, on the EMT with the font "Dyslexie". This is an indication that reading with the font "Dyslexie" decreases the amount of reading errors."
Followup: Anti-Global Warming Story Itself Flawed
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As posted earlier on Slashdot, a Forbes Op/Ed claims there is a 'gaping hole in global warming' theories, based on a recent paper. However, both the Forbes article and the paper on which it's based are themselves seriously flawed. The paper has been excoriated by climate scientists, saying the model used is 'unrealistic' and 'incorrect,' and the author has a track record of using bad models to make incorrect conclusions.
Evaluating the Capabilities of Chip-Sized Spacecraft
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The Sprite project is testing the feasibility of chip-sized spacecraft. 'Rather than hand building one-of-a-kind spacecraft, we envision constructing spacecraft on wafers in much the same way that common integrated circuits are made today. During fabrication, solar cells and other components would be incorporated with microelectromechanical systems techniques. Instead of exhaustively testing each part, as is done with current spacecraft, engineers will be able to monitor Sprite quality in a less labor-intensive fashion by using statistical process control, testing a few chips from each batch to make sure they meet specifications.' The project's goal is to deploy true 'smart dust,' comprised of 5- to 50-mg single-sensor spacecraft capable of forming deep-space sensor arrays.
Solar Energy Is the Fastest Growing Industry In the US
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According to Rhone Resch, the last three years have seen the U.S. solar industry go from a start-up to a major industry that is creating well-paying jobs and growing the economy in all 50 states, employing 93,000 Americans in 2010, a number that is expected to grow between 25,000 to 50,000 this year (PDF). In the first quarter of 2011, the solar industry installed 252 megawatts of new solar electric capacity, a 66 percent growth from the same time frame in 2010. Solar energy is creating more jobs per megawatt than any other energy source (PDF) with the capability, according to one study, of generating over 4 million jobs by 2030 with aggressive energy efficiency measures. There are now almost 3,000 megawatts of solar electric energy installed in the U.S., enough to power 600,000 homes. In the manufacturing sector, solar panel production jumped 31 percent. 'The U.S. market is expected to more than double yet again in 2011, installing enough solar for more than 400,000 homes,' writes Resch. 'Last year, the industry set the ambitious yet achievable goal of installing 10 gigawatts annually by 2015 (PDF) – enough to power 2 million more homes each and every year.'
OK Go Goes HTML5
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The YouTube sensation OK Go has just released their latest video using HTML5. The video is pretty cool itself, but the interactive feature is great."
The interactive feature only works in the Chrome browser.
Court Filing On How 2004 Ohio Election Hacked
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A new filing in the King Lincoln Bronzeville v. Blackwell case includes a copy of the Ohio Secretary of State election production system configuration that was in use in Ohio's 2004 presidential election when there was a sudden and unexpected shift in votes for George W. Bush.
Internet-Based Political Party Opens Doors
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New York Times Op-Ed Columnist Thomas L. Friedman writes (edited for brevity): 'If [...] idiocy by elected officials [...] leaves you wishing that we had more options today [...] not only are you not alone, but help may be on the way. Thanks to a quiet political start-up that is now ready to show its hand, a viable, centrist, third presidential ticket, elected by an Internet convention, is going to emerge in 2012.' Currently it looks like more liberal-inclined individuals are registering, but it would make for a healthier system if more viewpoints were represented.
If the NYT paywall blocks you, the article is about this group: http://www.americanselect.org/
NASA's Hubble Discovers Another Moon Around Pluto
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Astronomers using the Hubble Space Telescope discovered a fourth moon orbiting the icy dwarf planet Pluto. The tiny, new satellite – temporarily designated P4 — was uncovered in a Hubble survey searching for rings around the dwarf planet. The new moon is the smallest discovered around Pluto. It has an estimated diameter of 8 to 21 miles (13 to 34 km). By comparison, Charon, Pluto's largest moon, is 648 miles (1,043 km) across, and the other moons, Nix and Hydra, are in the range of 20 to 70 miles in diameter (32 to 113 km).
How Khan Academy Is Changing the Rules of Education
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students move at their own pace. Those who are struggling get surgically targeted guidance, while advanced kids like Carpenter rocket far ahead; once they’re answering questions without making mistakes, Khan’s site automatically recommends new topics to move on to. Over half the class is now tackling subjects like algebra and geometric formulas. And even the less precocious kids are improving: Only 3 percent of her students were classified as average or lower in end-of-year tests, down from 13 percent at midyear.
The History of Ethernet
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at Ars about the history of ethernet, from its humble beginnings at Xerox PARC in the mid-'70s, to its standardization and broad adoption, to the never-ending quest for higher throughput. Quoting:
"It's hard to believe now, but in the early 1980s, 10Mbps Ethernet was very fast. Think about it: is there any other 30-year-old technology still present in current computers? 300 baud modems? 500 ns memory? Daisy wheel printers? But even today, 10Mbps is not an entirely unusable speed, and it's still part of the 10/100/1000Mbps Ethernet interfaces in our computers. Still, by the early 1990s, Ethernet didn't feel as fast as it did a decade earlier. Consider the VAX-11/780, a machine released in 1977 by Digital Equipment Corporation. The 780 comes with some 2MB RAM and runs at 5MHz. Its speed is almost exactly one MIPS and it executes 1757 dhrystones per second. (Dhrystone is a CPU benchmark developed in 1984; the name is a play on the even older Whetstone benchmark.) A current Intel i7 machine may run at 3GHz and have 3GB RAM, executing nearly 17 million dhrystones per second. If network speeds had increased as fast as processor speeds, the i7 would today at least have a 10Gbps network interface, and perhaps a 100Gbps one."
Have American Businesses Been Stranded By the MBAs?
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In his new book, Car Guys vs. Bean Counters: The Battle for the Soul of American Business, legendary car-guy Bob Lutz says to get the U.S. economy growing again, we need to fire the MBAs and let engineers run the show. The auto industry, writes TIME's Rana Foroohar, is actually a terrific proxy for a trend toward short-term, myopically balance-sheet-driven management that has infected American business. In the first half of the 20th century, industrial giants like Ford, GE, AT&T and others used new technologies to create the best possible products and services with the idea that if you build it better, the customers will come. But by the late '70s, if-you-can-measure-it-you-can-manage-it MBAs were flourishing, and engineers were relegated to the geek back rooms. 'Shoemakers should be run by shoe guys,' argues Lutz, 'and software firms by software guys.' Learning that China plans to open 40 new graduate schools of business in the next few years, Lutz quipped, 'That's the best news I've heard in years.'
Facebook Helps Israel Blacklist Air Travellers
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According to a report by the Associated Press, protesters have been stopped in their tracks after Facebook aided Israel in cracking down on the group of activists from the UK, France, and Belgium who planned their event using the popular social networking site. Facebook allowed government agents to track the activists activities and then create a black-list of people who participated in the planning of the protests. The black-listed group was then forwarded to airlines with instructions to prevent the activists from boarding air flights to Israel. Over 200 activists were prevented from flying after being added to the airlines terrorism watch list, according the the AP report. Was Julian Assange correct, when he warned that Facebook was a giant, 'appalling spy machine'?
Facebook Trapped In MySQL a 'Fate Worse Than Death'
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According to database pioneer Michael Stonebraker, Facebook is operating a huge, complex MySQL implementation equivalent to 'a fate worse than death,' and the only way out is 'bite the bullet and rewrite everything.' Not that it's necessarily Facebook's fault, though. Stonebraker says the social network's predicament is all too common among web startups that start small and grow to epic proportions.
GoDaddy Sells To Investor Group
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Domain name registrar and Web hosting provider GoDaddy, announced it has agreed to receive a strategic investment from private equity firms KKR, Silver Lake and Technology Crossover Ventures. The terms of the transaction were not disclosed, but the Wall Street Journal reported people familiar with the deal saying it could be worth approximately $2.25 billion. The Scottsdale, Arizona based company which has built its marketing around scantly-clad women, manages more than 48 million domain names.
Bible's Different Authors Revealed By New Language Software
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Software developed by an Israeli team is giving intriguing new hints about what researchers believe to be the multiple hands that wrote the Bible.
The new software analyzes style and word choices to distinguish parts of a single text written by different authors, and when applied to the Bible its algorithm teased out distinct writerly voices in the holy book.
Survey Shows Support For New Privacy Laws
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Two-thirds of consumers want the government to safeguard their privacy online and 81 percent want to add their names to a Do Not Track list, according to a May poll released Tuesday by Consumers Union. In addition, over 80 percent of respondents were concerned that companies may be sharing their personal information with third parties without their permission. The survey's release comes just one day before a Senate Commerce Committee hearing where lawmakers will hear testimony on three data privacy bills currently in front of the Senate.
Cancer Cluster Possibly Found Among TSA Workers
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TSA employees at Logan International Airport believe they have identified a cancer cluster in their ranks, according to documents obtained under the Freedom of Information Act and released by the Electronic Privacy Information Center. They have requested dosimetry to counter 'TSA's improperly non-monitored radiation threat.' So far, at least, they have not received it. The documents also reveal a paper from Johns Hopkins that essentially questions whether it is even safe to stand near an operating scanner, let alone inside one. Also, the National Institute of Standards and Technology says that the Dept. of Homeland Security 'mischaracterized' their work by telling USA Today that NIST affirmed the safety of the scanners when in fact NIST does not do product safety testing and never tested a scanner for safety.
Asteroid To Pass Near Earth On Monday
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Asteroid 2011 MD was discovered on June 22 by LINEAR, and its flight path will take it within 8000 miles (12000 km) of Earth. Orbital predictions indicate that its flight path will be significantly altered by this close approach.
Ga.’s farm-labor crisis going exactly as planned
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Maybe we should try to help undocumented workers earn the right to stay instead of chasing them away.
After enactment of House Bill 87, a law designed to drive illegal immigrants out of Georgia, state officials appear shocked to discover that HB 87 is, well, driving a lot of illegal immigrants out of Georgia.
Dying Star Betelgeuse Spews Fiery Nebula
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Betelgeuse is dying a nasty death. The star is in the final, violent stages of its life, shedding vast amounts of stellar material into space as it quickly approaches a supernova demise. But now, with the help of the European Southern Observatory's Very Large Telescope, Betelgeuse's extended nebula has come to light. Comprised of silica and alumina dust, ESO astronomers have been able to image the nebula in infrared wavelengths for the first time. This is the most detailed view we've ever had of the imminent death of a titanic red supergiant star.
Self publishing writer becomes million seller
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An entrepreneur has turned the writing world upside down by becoming the first author to sell more than a million electronic books without a publishing deal.
An Entirely New Class of Aircraft Arrives
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Austrian research company IAT21 has presented a new type of aircraft at the Paris Air Show, which has the potential to become aviation's first disruptive technology since the jet engine. Neither fixed wing nor rotor craft, the D-Dalus uses four mechanically-linked, contra-rotating, cylindrical turbines for its propulsion, and by altering the angle of the blades, it can launch vertically, hover perfectly still, move in any direction, and thrust upwards and hence 'glue down' upon landing, which it can easily do on the deck of a ship, or even a moving vehicle. It's also almost silent, has the dynamic stability to enter buildings, handles rough weather with ease, flies very long distances very quickly and can lift very heavy loads. It accordingly holds immense promise as a platform for personal flight, for military usage, search and rescue, and much more.
The Iceman's Last Meal
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Less than two hours before he hiked his last steps in the Tyrolean Alps 5000 years ago, Ötzi the Iceman fueled up on a last meal of ibex meat, according to a new study. Armed with Ötzi's newly sequenced genome and a detailed dental analysis, scientists have also found that the Iceman had brown eyes (not blue, as commonly assumed) and probably wasn't much of a tooth brusher. Dental analysis shows that the Iceman suffered a blunt force trauma to two teeth — possibly a blow to the mouth — at least several days before his death and was plagued by both periodontal disease and cavities.
AP Investigation Concludes US Nuke Regulators Weakening Safety Rules
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An investigation by the Associated Press has found a pattern of safety regulations being relaxed in order to keep aging nuclear power plants running. According to their investigation, when reactor parts fail or systems fall out of compliance with the rules, studies are conducted by the industry and government. The studies conclude that existing standards are 'unnecessarily conservative.' Regulations are loosened, and the reactors are back in compliance. From the article: 'Examples abound. When valves leaked, more leakage was allowed — up to 20 times the original limit. When rampant cracking caused radioactive leaks from steam generator tubing, an easier test of the tubes was devised, so plants could meet standards. Failed cables. Busted seals. Broken nozzles, clogged screens, cracked concrete, dented containers, corroded metals and rusty underground pipes — all of these and thousands of other problems linked to aging were uncovered in the AP's yearlong investigation. And all of them could escalate dangers in the event of an accident.'
Skype Execs Purged On Eve of MS Takeover
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You might think that the executive team that engineered a lucrative buyout for their company would be rewarded. But eight execs from Skype instead found themselves fired just before their company was formally taken over by Microsoft. It appears that this move isn't meddling from Redmond; rather, the private equity firm that owns a 70 percent stake in Skype wanted to cut back on the payout to company execs that would normally accompany this kind of transaction.
Turning Memories On/Off With the Flip of a Switch
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Using electrical probes embedded into the brains of rats, scientists have managed to replicate the brain function associated with long-term behavior and found a way to literally turn memories on and off with the flip of a switch. The scientists hope their research will eventually lead to a neural prosthesis to help people suffering Alzheimer's disease, the effects of stroke or other brain injury to recover long-term memory capability.
Spammers Discover Kindle Self-Publishing
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Make it easy to self-publish books and the spammers will be right along too. Amazon's Kindle marketplace has been deluged by low-quality 'books' selling for 99 cents each. '[Thousands of ebooks published each month] are built using something known as Private Label Rights, or PLR content, which is information that can be bought very cheaply online then reformatted into a digital book. These ebooks are listed for sale – often at 99 cents – alongside more traditional books on Amazon’s website, forcing readers to plow through many more titles to find what they want. Aspiring spammers can even buy a DVD box set called Autopilot Kindle Cash that claims to teach people how to publish 10 to 20 new Kindle books a day without writing a word.'
Why Businesses Move To the Cloud: They Hate IT
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This is the same reason some companies abandoned the huge mainframes run by IT and switched to PCs - they hated IT. History repeats itself!
Cloud services can be unreliable and pricey, and they often duplicate capabilities larger companies already have in-house. So why do many managers within organizations use them? Partly because they don't want to deal with their own company's IT department. Getting a big project started is often such a politically fraught process that for many managers it's easier to simply write a check.
British Tax System Uses Web Robots To Find Cheats
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HM Revenue & Customs (HMRC) is extending its campaign against tax cheats with the news that it will use web robots to trawl cyberspace. The system will check eBay and Google to identify traders who aren't declaring all their earnings. From the article: 'The decision to target cyberspace to hunt down those evading tax comes as HMRC continues its campaign to recover around £7 billion lost to the Treasury each year. It is thought that this latest development, the use of ‘web robots’, will help HMRC track down rogue eBay and Gumtree businesses, as well as people earning second incomes by acting as private tutors. It will also help it hunt down so called cash-in-hand handymen and traders.'
Seattle area 15-year-old sells startup to ActiveState
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Some entrepreneurs wait a lifetime to experience the thrill of selling their startup companies. Daniil Kulchenko, a Seattle area high school student,accomplished that milestone at the age of 15. Kulchenko today announced that he's sold his startup, a cloud-based computing companyknown as Phenona, to Vancouver, B.C.-based ActiveState in a deal of undisclosed size.
The Internet Is Killing Local News, Says the FCC
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The rise of the Internet has led to a 'shortage of local, professional, accountability reporting' (Here's the AP's version) says a a 475-page report by the FCC, and the consequences could be 'more government waste, more local corruption,' 'less effective schools' and other problems. Even though there are more media choices today than ever, newspapers have been laying off reporters, leaving a gap that is yet to be filled.
Data Review Brings Major Setback In Higgs Boson Hunt
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The quest for the elusive Higgs boson seemed over in April, when an unexpected result from an atom smasher seemed to herald the discovery of the famous particle — the last unproven piece of the physics puzzle and one of the great mysteries scientists face today. Scientists with the Tevatron particle accelerator at Chicago's Fermilab facility just released the results of a months-long effort by the lab's brightest minds to confirm the finding. What did they find? Nothing. 'We do not see the signal,' said Dmitri Denisov, staff scientist at Fermilab. 'If it existed, we would see it. But when we look at our data, we basically see nothing.'
Chinese Moon Probe Ventures Into Deep Space
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After completing its 6-month moon survey mission, China's second moon orbiter, Chang'e-2, was found to be in excellent condition and has abundant fuel left, and so it set off from its moon orbit into deep space, heading toward Lagrangian point L2 about 1.5 million kilometers away from the earth, or about 4 times farther out than the moon. The orbiter left its moon orbit at 5:10 p.m., according to the State Administration of Science, Technology and Industry for National Defence. The probe is expected to perform exploration at L2. It is the first Chinese spacecraft to venture beyond the moon and establish the country's capability in deep space exploration.
Why the US Govt Should Be Happy About Wikileaks
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WikiLeaks' leaking of classified information should be considered a blessing for the US government, and other governments should take heed of the lessons when it comes to information sharing, according to Computer Sciences Corporation (CSC) research associate, Professor Mike Nelson, who spent four years as Senator Al Gore's science adviser and served as the White House director for technology policy on IT, and was also a member of Barack Obama presidential campaign.
Massive Explosion On the Sun
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an enormous eruption that occurred on the Sun this morning. Phil Plait describes it thus: "What you’re seeing here is a solar flare (an enormous explosion of pent-up magnetic energy) coupled with a prominence (a physical eruption of gas from the surface). This event blasted something like a billion tons of material away from the Sun. Note the size of it, too: while it started from a small region on the Sun’s surface, it quickly expanded into a plume easily as big as the Sun itself! I’d estimate its size at well over a million kilometers across."
The attached video is well worth watching.
National Academies Release Over 4,000 Free Science Books
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The National Academies Press are offering all their books for free in PDF format. These are all the publications of the National Academy of Sciences, National Academy of Engineering, Institute of Medicine, and National Research Council. Lots of great stuff there, and now for free.
Sony Compromised, Again
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This hack was done using a very basic hack (SQL Injection) that every programmer should know about and protect against. It boggles my mind that companies as big as Sony leaves such basic security holes open!
The hacker group LulzSec on Thursday posted information it took from Sony Entertainment and Sony BMG on its site, called the LulzBoat. Lulz Security said it broke into servers that run SonyPictures.com. The information includes about a million usernames and passwords of customers in the US, the Netherlands and Belgium and is available for download and posted on the group's site.
A Map of the Universe, 10 Years In the Making
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Astronomers at the Harvard-Smithsonian Center for Astrophysics (CfA) have created a map of the universe called the 2MASS Redshift Survey. The astronomers put in 10 laborious years in creating the map and it is what they call the most complete 3-D map of the local universe (out to a distance of 380 million light-years) ever created. 2MASS Redshift Survey extends closer to the Galactic plane than any other map of the universe before it; the region is generally obscured by dust.
Chapel Hill Computational Linguists Crack Skype Calls
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You might think of linguistics as being interesting but not really useful. Now computational linguistics [PDF of original paper] has been used to crack Skype encryption and reconstruct what is being said in a VoIP call. What is surprising is that though they are encrypted, the frames that make up a Skype call contain clues about what phonemes are being spoken.
Redistricting 2.0: Cloud Lets Voters Take Part
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One of the first large computer program I worked on was a redistricting program for the state of Iowa.
As the 2010 U.S. census results arrived, Los Angeles County's politicians started ramping up for redistricting — the once-a-decade, computing-intensive, often contentious process of geographically carving up the populace into discrete parcels of voters. In the past, such decisions were made by politicians using expensive computer systems and software. Participation in the process was limited to an elite few who could afford experts who understood redistricting's arcane rules and GIS technology well enough to game them. This year, however, it won't just be the politicians and special interest groups poring over the data and tweaking boundary lines. All 4.5 million registered voters in LA County have access to a cloud-based redistricting application called the Public Access Plan that lets voters view and modify existing maps and boundaries, submit comments, and even create and submit their own plans from scratch. LA County is among the first government entities to consider providing Web-based tools that allow for direct public participation. 'This notion of public access has changed quite dramatically,' says Tim Storey, a senior fellow at the National Conference of State Legislatures. 'Throwing that wide open is a big step.' The big question now is whether the public will use it.
Smart Pajamas Monitor Patients With Sleep Disorder
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Emily Singer reports in MIT Technology Review that a nightshirt embedded with fabric electronics can monitor user's breathing patterns while a small chip worn in a pocket of the shirt processes that data to determine the phase of sleep, such as REM sleep (when we dream), light sleep, or deep sleep. 'It has no adhesive and doesn't need any special setup to wear,' says Matt Bianchi, a sleep neurologist at Massachusetts General Hospital and co-inventor of the shirt. 'It's very easy—you just slip it on at night.' Until now people with sleep disorders were hooked up to a complex array of sensors that monitor brain activity, muscle activity, eye movement, and heart and breathing rate but the 'smart pajamas' simplify this by focusing only on respiration. 'It turns out that you can tell if someone is awake or asleep and which stage of sleep they are in purely based on breathing pattern,' says Bianchi. 'That's a much easier signal to analyze than electrical activity from the brain.' Sleep specialists hope the pj's can help patients with insomnia or other sleep disorders since the shirt allows repeated measurements over time in the home so users can log their habits, such as coffee or alcohol intake, exercise, or stress, and look for patterns in how those variables affect their quality of sleep.
Ebooks Now Outselling Print Books At Amazon
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As further proof of how digital media dominate today's entertainment, Amazon announced Thursday that its customers now buy more e-books for its Kindle device than all print books — hardcover and paperback — combined. Given that people seem to spend more and more of their time peering at glowing electronic screens, this was probably bound to happen. Still, the swiftness of this sea change — three-and-a-half years after the Kindle hit the market — appeared to catch even Amazon by surprise. 'Customers are now choosing Kindle books more often than print books. We had high hopes that this would happen eventually, but we never imagined it would happen this quickly — we've been selling print books for 15 years and Kindle books for less than four years,' said Jeff Bezos, Amazon's CEO, in a statement.
Robots Successfully Invent Their Own Language
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One group of Australian researchers have managed to teach robots to do something that, until now, was the reserve of humans and a few other animals: they've taught them how to invent and use spoken language. The robots, called LingoDroids, are introduced to each other. In order to share information, they need to communicate. Since they don't share a common language, they do the next best thing: they make one up. The LingoDroids invent words to describe areas on their maps, speak the word aloud to the other robot, and then find a way to connect the word and the place, the same way a human would point to themselves and speak their name to someone who doesn't speak their language.
How Windows 7 Knows About Your Internet Connection
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In Windows 7, any time you connect to a network, Windows tells you if you have full internet access or just a local network connection. It also knows if a WiFi access point requires in-browser authentication. How? It turns out, a service automatically requests a file from a Microsoft website every time you connect to any network, and the result of this attempt tells it whether the connection is successful. This feature is useful, but some may have privacy concerns with sending their IP address to Microsoft (which the site logs, according to documentation) every single time they connect to the internet. As it turns out, not only can you disable the service, you can even tell it to check your own server instead.
Solar-Powered Airplane Completes First International Flight
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Solar Impulse, a fully solar-powered airplane, has completed its first international solar-powered flight. After a flight lasting 12 hours 59 minutes at an altitude of 12,400 feet, using no fuel and propelled by solar energy alone, Solar Impulse HB-SIA landed safely in Brussels, Switzerland. After the landing, company co-founder Bertrand Piccard said, 'Our goal is to create a revolution in the minds of the people . . . to promote solar energies — not necessarily a revolution in aviation.' Compared with 2003, energy efficiency has increased from 16 to 22 percent. And the cells are now half as thick. The project has a total cost of $88 million, which is funded by mostly-Swiss partners and public donations.
Invent the Medical Tricorder, Win $10,000,000
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If you've ever watched Star Trek and said, 'Hey, I could build that,' now's your chance. Qualcomm and the X PRIZE Foundation have teamed together to offer ten million US dollars to whomever can invent 'a mobile solution that can diagnose patients better than or equal to a panel of board certified physicians.' They call it the Tricorder X PRIZE. Hopefully the Tricorder will join the cell phone, MRI, and tablet computer in the list of Star Trek devices that are now part of our lives.
Jupiter's Moon Io Has a Volcanic Sub-Surface
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NASA scientists have discovered new information on one of Jupiter's moons, indicating it has a molten magma sub-surface (abstract). This discovery, made using data analysis from NASA's Galileo spacecraft, reveals why that particular moon is the most volcanic object known in the solar system. The moon, which is named Io, produces about 100 times more lava each year than all the volcanoes on Earth combined. The global magma ocean about 30 to 50 kilometers (20 to 30 miles) beneath Io's surface explains the moon's activity."
Science has a nice graphic, too.
Facebook Admits Hiring PR Firm To Smear Google
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The clash of the Internet Giants reached new heights after a spokesman for Facebook confirmed to Daily Beast that Facebook paid a high level Public Relation firm to publish and spread stories against Google throughout the media to study various methods to examine the allegations that Google has been violating user privacy.
Facebook Caught Exposing Millions of Credentials
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Facebook has leaked photographs, profiles and other personal information for millions of its users because of a years-old bug that overrides individual privacy settings, researchers from Symantec said. The flaw, which the researchers estimate has affected hundreds of thousands of applications, exposed user access tokens to advertisers and others. The tokens serve as a spare set of keys that Facebook apps use to perform certain actions on behalf of the user, such as posting messages to a Facebook wall or sending RSVP replies to invitations. For years, many apps that rely on an older form of user authentication turned over these keys to third parties, giving them the ability to access information users specifically designated as off limits.
Vintage Collection of Tech Failures
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For every good design there are a dozen failed concepts. Nothing illustrates that better than a great online vintage gadget collection, published yesterday by the Microsoft Research team. The collection is a brainchild of Bill Buxton, one of the principal Microsoft researchers, a guy who's been through 30 years of continuous tech design. Awarded with three honorary doctorates and several professional awards, Bill also likes to gather things – the vintage, geeky kind of things, to be precise. Over the years, he has gathered an impressive collection of prototypes, probably the best I have seen online.
High-Tech Gas Drilling Is Fouling Drinking Water
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Drilling for natural gas locked deep in a shale formation — a process known as fracking — has seriously contaminated shallow groundwater supplies beneath far northeastern Pennsylvania with flammable methane. That's the conclusion of a new study, published yesterday in the Proceedings of the National Academy of Sciences. The analysis gives few clues, however, to how pervasive such contamination might be across the wide areas of the Northeast United States, Texas, and other states where drilling for shale gas has taken off in recent years.
Worldwide Night Sky Stitched Together In 5 Gigapixel Image
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Nick Risinger traveled the world, using a robotic camera mount and six air-cooled cameras, each fitted with their own lenses and filters, to capture the entire night sky in one image; the largest full true-color sky survey. The project took a year to complete, and Risinger logged 60,000 travel miles. The final image is made up of over 37,000 individual photos, has a resolution of 5,000 megapixels, and took months to piece together. Risinger says, 'Travel was necessary as capturing the full sphere of the night sky brought with it certain limitations. What might be seen in the northern hemisphere isn't always visible from the south and, likewise with the seasons, what may be overhead in the summer is below the horizon in the winter. Complicated by weather and moon cycles, this made for some narrow windows of opportunity which we chased through the remote areas of Arizona, Texas, Nevada, Colorado, California and Oregon.'
Titan May Have Water Ocean Under the Surface
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NASA's Cassini probe, in orbit around Saturn, may have discovered evidence for a liquid water ocean under the surface of Titan, Saturn's largest moon. The data comes from radar observations of the surface that measure Titan's rotation and tell how it is oriented relative to the plane of its orbit — its axial tilt. According to a paper to be published in an upcoming issue of Astronomy and Astrophysics (preprint PDF at arXiv.org), the new data showed that many of the planet's surface features were in the wrong place, sometimes off by as much as 30 kilometers (19 miles). Titan always presents the same face toward Saturn, just like the Moon does to Earth. But in those situations, one expects that the moon will be in the 'Cassini state,' which means that the axial tilt will have a certain value. In Titan's case, the axial tilt was measured at 0.3 degrees. That seemed too high if one assumed Titan was a solid body.
NASA Gravity Probe Confirms Two Einstein Predictions
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After 52 years of conceiving, testing and waiting, marked by scientific advances and disappointments, one of Stanford's and NASA's longest-running projects comes to a close with a greater understanding of the universe. Stanford and NASA researchers have confirmed two predictions of Albert Einstein's general theory of relativity, concluding one of the space agency's longest-running projects. Known as Gravity Probe B, the experiment used four ultra-precise gyroscopes housed in a satellite to measure two aspects of Einstein's theory about gravity. The first is the geodetic effect, or the warping of space and time around a gravitational body. The second is frame-dragging, which is the amount a spinning object pulls space and time with it as it rotates.
Cracker-Size Satellites To Launch With Endeavour
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news of the upcoming deployment of satellite-on-a-chip devices measuring just 3.8cm x 3.8cm x 0.2cm. The satellites are set to launch with Endeavour on its final flight.
"These three miniature satellites are being launched as a proof-of-concept. As such, they're being deployed in very low orbit, and should return to earth fairly quickly in order to avoid becoming dangers for other satellites. 'They each contain seven solar cells, a microprocessor, an antenna and amplifier, power storage in capacitors, and switching circuitry to turn on the microprocessor when the stored energy is enough to create a single radio-frequency emission.' Due to their size, atmospheric drag would slow them down without burning them up, allowing them to study the uppermost atmosphere of wherever they are deployed next: Venus, Titan, Europe, and Jupiter are all possibilities."
Amazon EC2 Crash Caused Data Loss
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This is why I use Thunderbird to copy all my Gmail to my local PC. Never trust somebody else with your data:
Henry Blodget is reporting that the recent EC2 crash caused permanent data loss. Apparently, the backups that were being made were not sufficient to recover the lost data. Although a small percentage of the total data was lost, any data loss can be bad to a Website operator.
Voyager Set To Enter Interstellar Space
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More than 30 years after they were launched, NASA's two Voyager probes have traveled to the edge of the solar system and are on the doorstep of interstellar space. Today, April 28, 2011, NASA held a live briefing to reflect on what the Voyager mission has accomplished — and to preview what lies ahead as the probes prepare to enter the realm of the Milky Way itself.
GPS Maker TomTom Submits Your Speed Data To Police
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"The GPS systems in TomTom's Live range all feature built-in 3G data cards, which feed location and route information back to a central server. According to CNET, this data, along with users' speed information, is being made available to local governments and the police."
From the article: "Knowing the cops can see where you're driving and how fast you're going is eye-opening stuff, but TomTom says the data is anonymous and can never be traced back to an individual user or device. Ordinarily, we'd be reassured by this, but we recall Apple saying something similar before the location-tracking excrement hit the phone-carrying fan."
AT&T Admits Network Can't Handle iPhone, iPad Traffic
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All we need is a faster processor and more memory. (Sound familiar?)
AT&T has admitted that the rise of tablets and smartphones like the iPad and iPhone has taken a major toll on its network. In its public filing to the Federal Communications Commission yesterday, the company admitted that its network has been under increasing strain as more and more high-bandwidth devices have been connected. This not only includes smartphones like the iPhone, but tablets like the iPad as well. AT&T says that in many cases tablets put a greater stress on their network (PDF) than smartphones do.
The Space Station As a Simulated Mars Mission?
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Now, if only we had a way to get to the ISS. :-(
NASA is looking at using the International Space Station as a testbed for a human mission to Mars, beginning with a planned week-long simulation to be staged next summer. Preliminary tests would involve working on systems that give astronauts more autonomy, perhaps culminating in a full mission analog, sealing a crew inside a separate module of the station with minimal interaction with the rest of the station and mission control. 'We want to use the space station as a way to get smarter about what a mission to Mars or a mission to an asteroid might look like,' space station flight controller Pete Hasbrook told Discovery News.
How People Broadcast Their Locations Without Meaning To
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Smartphones include geotagging features that many people aren't aware of, MIT's Technology Review reports. And it's not just in the obvious places: 'For example, by looking at the location metadata stored with pictures posted through one man's anonymous Twitter account, the researchers were able to pinpoint his likely home address. From there, by cross-referencing this location with city records, they found his name. Using that information, the researchers went on to find his place of work, his wife's name, and information about his children.'
Synthetic Skin Could Replace Animal Subjects'
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Synthetic skins are now good enough to mimic animal skins in lab tests, according to research that will appear in the June 5 issue of the Journal of Applied Polymer Science. Bharat Bhushan, a professor at Ohio State University and Wei Tang, an engineer at China University of Mining and Technology used atomic force microscopes to observe the responses of pseudo and rat skins to a generic skin cream. The result? Even at a scale of 100 nanometers — or one-thousandth the width of a human hair — all the samples reacted in a similar fashion.
Mars Orbiter Finds Buried Dry Ice Lake
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NASA's Mars Reconnaissance Orbiter has found a giant buried deposit of dry ice, which could be evidence that Mars once had a thicker atmosphere and was able to have more water on its surface. The orbiter's ground-penetrating radar found the dry ice, which is frozen carbon dioxide, near the planet's south pole. The scientists think that when Mars' axial tilt increases, the carbon dioxide turns into a gas, thickening the atmosphere. The result would be more intense dust storms, but also a wider range of areas where liquid water could exist.
NASA Awards New Commercial Crew Contracts
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Continuing last year's successful CCDev (Commercial Crew Development) program, NASA has selected four companies to receive 'CCDev2' seed funding for commercial crew systems. The companies will only receive money if they meet development and testing milestones in the next year, with $75M going to SpaceX for developing their sidemount escape system and testing their Dragon capsule, $92M to Boeing for developing their CST-100 capsule, $80M to Sierra Nevada Corp.'s DreamChaser top-mounted spaceplane, and $22M for Blue Origin's capsule and pusher escape system.
Solar Breakthrough Could Provide Power Without Solar Cells
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University of Michigan news release about the creation of what's being called an "optical battery" that could lead to the use of solar power without traditional solar cells (abstract). Quoting:
"Light has electric and magnetic components. Until now, scientists thought the effects of the magnetic field were so weak that they could be ignored. What Rand and his colleagues found is that at the right intensity, when light is traveling through a material that does not conduct electricity, the light field can generate magnetic effects that are 100 million times stronger than previously expected. Under these circumstances, the magnetic effects develop strength equivalent to a strong electric effect. 'This could lead to a new kind of solar cell without semiconductors and without absorption to produce charge separation,' Rand said. 'In solar cells, the light goes into a material, gets absorbed and creates heat. Here, we expect to have a very low heat load. Instead of the light being absorbed, energy is stored in the magnetic moment. Intense magnetization can be induced by intense light and then it is ultimately capable of providing a capacitive power source.'"
E-Book Sales Have Tripled In the Last Year
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The Association of American Publishers revealed today that e-book sales have tripled in the last year. Sixteen publishers reported that in February e-book sales totaled more than $90.3 million, a 202.3% increase over e-book sales in February of 2010. Meanwhile, sales of adult hardcover books have dropped 43%, while mass-market paperback sales dropped 41.5% (earning just $46.2 million and $29.3 million, respectively). The book publishing association acknowledged that readers have 'made e-books permanent additions to their lifestyle,' arguing that publishers 'are constantly redefining the timeless concept of "books"' and identifying new audiences they can serve through emerging technologies. 'It's nice to see that book publishers are aware of the changes rocking their industry,' notes one e-book blog, 'and that they're approaching it with a sense of history.'
Taking Radioactive Contaminants From Water With Shells
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Crab shells may soon be used to take radioactive contaminants out of water. Joel Pawlak, an associate professor of forest biomaterials at North Carolina State University, has developed a material similar to foam rubber that absorbs water and attaches to molecules dissolved in it, leaving pure and potable water behind. The material is a combination of hemicellulose and chitosan. The first comes from wood and is extracted by the ton in the paper-making process. Chitosan is extracted from ordinary crustacean shells — primarily crab, shrimp and lobster — by treatment with hydrochloric acid and then sodium hydroxide.
FBI Releases Document Confirming Roswell UFO
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An investigator for the Air Force stated that three so-called flying saucers had been recovered in New Mexico. They were described as circular in shape with raised centers approximately 50 feet in diameter. Each one was occupied by three bodies of human shape, but only 3 feet tall dressed in metallic clothing of very fine texture.
An Autonomous Sailing Robot To Clean Up Oil Spills
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Protei is a low-cost, open-source oil collecting robot that autonomously sails upwind, intercepting oil sheens going downwind. This crowd sourced, open source hardware, collaboratively developed project could help prevent the tragedy of the next oil spill. Furthermore, it is a prime example of what people can do together when they collaborate, working together on the research and development, design, and funding. Licensed under the Open Source Hardware (OSHW) license guarantees that as many people in all parts of the world will benefit from this effort as possible."
Star Falls Into Black Hole
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astronomers recently got a look at what they believe isa star falling into a black hole. Phil Plait explains:
"As the star approached this bottomless pit, the side of the star facing the black hole was pulled far harder than the other side of the star, which may have been a million or more kilometers farther away from the black hole. This change in pull stretched the star — this stretching is called a 'tide,' and is essentially the same thing that causes tides on the Earth from the Moon’s gravity and when the star wandered too close to the black hole, the strength of that pull became irresistible, overcoming the star’s own internal gravity. In a flash, the star was torn apart, and octillions of tons of ionized gas burst outward! This material whipped around the black hole, forming a disk of plasma called an accretion disk. Magnetic fields, friction, and turbulence superheated the plasma, and also focused twin beams of matter and energy which blasted out from the poles of the disk, away from the black hole itself. The energy stored in these beams isincredible, crushing our imagination into dust: for a time, they shone with the light of a trillion Suns!"
Epsilon Breach Used Four-month-old Attack
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Marketing giant Epsilon knew that it was vulnerable to an attack for "some months" before suffering a high-profile breach last week. According to Epsilon's technology partner ReturnPath, the breach was part of a series of socially engineered attacks discovered in November.
Solar Storm Nearly Wipes Out NASA's Messenger
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There was a close call last week when an enormous coronal ejection nearly hit Mercury and the orbiting Messenger spacecraft. Scientists at the Space Weather Laboratory flew into action, modeling the event to determine how close it had come to the spacecraft using data from the twin STEREO sun observers. The group used an animated model called WSA-ENLIL, named after a Sumerian lord of wind and storms. Enlil, who wears a crown of horns, is known for being a kind but also cruel god who sends forth disasters, including a great flood that wiped out humanity. Fortunately Messenger escaped Enlil's wrath.
RIAA/MPAA: the Greatest Threat To Tech Innovation
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The Harvard Business Review is running an article stating that it's not India or China that are the greatest threat to technological innovation happening in America. Rather, it's the 'big content' players, particularly the movie and music industry. From the article: 'the Big Content players do not understand technology, and never have. Rather than see it as an opportunity to reach new audiences, technology has always been a threat to them. Example after example abounds of this attitude; whether it was the VCR which was "to the American film producer and the American public as the Boston strangler is to the woman home alone" as famed movie industry lobbyist Jack Valenti put it at a congressional hearing, or MP3 technology, which they tried to sue out of existence.'
New Dinosaur Species Found In China
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A previously unknown dinosaur has been identified from fossils dug up in China and has been nicknamed as 'T-Rex's cousin.' The gigantic creature roamed North America and east Asia between about 65 million and 99 million years ago. Named in honour of Zhucheng as Zhuchentyrannus magnus, this animal was about 11 metres long, 4 metres tall and it weighed about 6 tonnes. The research team was led by Dr. David Hone, from University College Dublin school of biology and environmental science.
Plastic Made From Fruit Rivals Kevlar In Strength
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A group of scientists from Sao Paulo State University developed a way to use the nanocellulose fibers from bananas, pineapples, and other fruits to create incredibly strong, lightweight plastics. The plastic is up to four times stronger and 30 percent lighter than petroleum-based plastics, and it rivals Kevlar — the material used in bullet proof vests — in strength.
Spacecraft Sends First Image From Mercury's Orbit
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NASA released an image of Mercury captured by its Messenger spacecraft — the first ever obtained from the planet's orbit. The first image came in at 5:20am Eastern yesterday, and over the next six hours, Messenger captured an additional 363 images, which are still being transmitted to the Messenger team on Earth. In the next three days, the spacecraft will capture another 1,185 images, with the goal of snapping 75,000 over the next year.
Artificial Leaf Could Provide Cheap Energy
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Nearly all the energy we use on this planet starts out as sunlight that plants use to knit chemical bonds. Now, for the first time, researchers at the Massachusetts Institute of Technology have created a potentially cheap, practical artificial leaf that does much the same thing—providing a vast source of energy that's easy to tap. The new device is a silicon wafer about the shape and size of a playing card coated on either side with two different catalysts. The silicon absorbs sunlight and passes that energy to the catalysts to split water into molecules of hydrogen and oxygen. Hydrogen is a fuel that can be either burned or used in a fuel cell to create electricity, reforming water in either case. This means that in theory, anyone with access to water can use it to create a cheap, clean, and available source of fuel.
UT Student-Built Spacecraft Separate and Communicate
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Some students from the Cockrell School of Engineering in Austin, Texas have built, developed, launched, and operated two historic satellites. The FASTRAC satellites make up the first small-scale satellite system which is composed of two separate spacecraft that can communicate to each other. On March 22, the single FASTRAC satellite successfully separated into two smaller spacecraft that are currently operating and communicating with each other. While separation and communication has occurred between paired satellites before, this is the first time it has been done with such a small platform (the FASTRAC spacecraft weigh approximately 60 lbs.). Furthermore, this is the first time a student-designed and built space system has been composed of two separate spacecraft that can interact with each other. One of the most impressive things about this mission is that it was done incredibly cheap, at $250,000, which is far below the costs associated with traditional spacecraft.
Journey To the Mantle of the Earth By 2020
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A half-century after the first attempt to drill through the ocean crust into the Earth's mantle, a new campaign armed with improved technology is underway that could reach the mantle by the end of the decade, researchers say.
Chicago's Willis Tower To Become Vertical Solar Farm
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The tallest building in the United States is set to become a soaring vertical solar farm, as Pythagoras Solar just launched a project toemblazon the building's glass façade with transparent photovoltaic panels. The new windows, dubbed high power density photovoltaic glass units, are a clever hybrid technology that lays a typical monocrystalline silicon solar cell horizontally between two layers of glass to form an individual tile. An internal plastic reflective prism directs angled sunlight onto the solar cells but allows diffuse daylight and horizontal light through. The high-profile project will begin on the south side of the 56th floor and could grow up to 2 MW in size — which is comparable to a 10-acre field of solar panels.
NASA Picks Up Rainstorms On Titan
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Rainy seasons aren't just a regular occurrence on Earth — they also happen on Titan, the largest moon of Saturn. The rain isn't water, it's methane. And the seasons are years long, as Titan takes two weeks to go around Saturn and Saturn takes 29 years to complete one circuit of the Sun. Recent images from the Cassini probe, which is currently orbiting Saturn, show clouds forming in Titan's atmosphere andevidence that liquid methane is soaking the surface.
Pepsi Moving To Bottles Made of Plant Material
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Pepsi unveiled a new bottle yesterday made entirely of plant material. The bottle is made from switch grass, pine bark, corn husks and other materials. Ultimately, Pepsi plans to also use orange peels, oat hulls, potato scraps and other leftovers from its food business. 'This is the beginning of the end of petroleum-based plastics,' said Allen Hershkowitz, a senior scientist with the Natural Resources Defence Council and director of its waste management project. 'When you have a company of this size making a commitment to a plant-based plastic, the market is going to respond.'
Reactor flaw warnings go back to 1972
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The warnings were stark and issued repeatedly as far back as 1972: If the cooling systems ever failed at a "Mark 1" nuclear reactor, the primary containment vessel surrounding the reactor would probably burst as the fuel rods inside overheated. Dangerous radiation would spew into the environment.
NASA Building Network of Smart Cameras Across US
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A major government agency is looking to blanket the US with camerasthat will never stop their surveillance. But don't worry, privacy pundits, those cameras will be spying on the sky, not civilians. NASA's All-sky Fireball Network is a series of cameras that track meteorites as they enter the atmosphere. With careful triangulation, NASA can not only know where the meteorites will land, they can determine where they came from as well. One of the coolest parts of the All-sky Fireball Network is that it's fully automated. Meteors are detected by a computer which sends images, video clips, and data analysis to William Cooke, head of NASA's Meteoroid Environment Office. Now you can get the same information as Cooke, too – the All-sky Fireball Network's website publicly records all the data for you to peruse.
The Saturn Fly-By
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An Astronomy Picture of the Day is actually a Video of Saturn built by compiling actual photographs taken by Cassini in 2004. Unlike most videos of this type, this isn't actually 3D animation, these are the actual photos (albeit "digitally tweaked, cropped"). Great views of the planet, as well as Titan, Mimas and Enceladus.
41% of Facebook Users Willing To Divulge Personal Info
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In an experiment, 41% of Facebook users were willing to divulge highly personal information to a complete stranger. This according to IT security firm Sophos, which invited 200 randomly selected Facebookers to befriend a bogus Facebook user named 'Freddi Staur' (an anagram of 'ID Fraudster'). Of those queried, 87 responded to the invitation, among them 82 people whose profiles included personal information such as their email address, date of birth, address or phone number.
Crime Writer Makes a Killing With 99 Cent E-Books
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Joe Konrath has an interesting interview with independent writer John Locke who currently holds the coveted #1 spot in the Amazon Top 100 and has sold just over 350,000 downloads on Kindle of his 99 cent books since January 1st of this year, which, with a royalty rate of 35%, is an annual income well over $500k. Locke says that 99 cents is the magic number and adds that when he lowered the price of his book The List from $2.99 to 99 cents, he started selling 20 times as many copies — about 800 a day, turning his loss lead into his biggest earner. 'These days the buying public looks at a $9.95 eBook and pauses. It's not an automatic sale,' says Locke. 'And the reason it's not is because the buyer knows when an eBook is priced ten times higher than it has to be. And so the buyer pauses. And it is in this pause—this golden, sweet-scented pause—that we independent authors gain the advantage, because we offer incredible value.' Kevin Kelly predicts that within 5 years all digital books will cost 99 cents. 'I don't think publishers are ready for how low book prices will go,' writes Kelly. 'It seems insane, dangerous, life threatening, but inevitable.'
Former MI6 Chief Credits WikiLeaks With Helping Spark Revolutions
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Sir Richard Dearlove, former Intelligence Chief of MI6, credits WikiLeaks with helping spark revolutions in the Middle East, in (what was supposed to be) an off-the-record speech. 'I would definitely draw parallels at the moment between the wave of political unrest which is sweeping through the Middle East in a very exciting and rather extraordinary fashion and also the WikiLeaks phenomenon. Really, what ties these two events together, and of course a number of other events, is the diffusion of power, away from the states and the empowerment of individuals, and small groups of individuals, by technology,' he said.
Chandrayaan-1 Spots Giant Underground Chamber On the Moon
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Scientists at the Indian Space Research Organization have discovered agiant underground chamber on the moon, which they feel could be used as a base by astronauts on future manned missions to moon. An analysis by an instrument on Chandrayaan-1 revealed a 1.7-km long and 120-metre wide cave near the moon's equator that is in the Oceanus Procellarum area of the moon that could be a suitable 'base station' for future human missions.
Making the Case For Microscopic Life In Meteorites
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NASA scientist Dr. Richard Hoover claims he discovered evidence of extraterritorial life in a meteorite. He published his results in the March issue of Journal of Cosmology. In front of the article there is an official statement form the editor in chief: 'We believe Dr. Hoover's careful analysis provides definitive evidence of ancient microbial life on astral bodies some of which may predate the origin of Earth and this solar system. Dr. Richard Hoover is a highly respected scientist and astrobiologist with a prestigious record of accomplishment at NASA. Given the controversial nature of his discovery, we have invited 100 experts and have issued a general invitation to over 5000 scientists from the scientific community to review the paper and to offer their critical analysis.'
A Half-Gigabyte View of the Moon
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A new 24,000-pixel-square half-gigabyte mosaic from NASA's Lunar Reconnaissance Orbiter shows the Moon's nearside as never before. The1,300 black-and-white frames were acquired during a two-week period in December 2010. There is also video of the half gig moon.
Supreme Court Rules On Corporate Privacy
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The Supreme Court decided (PDF) today that AT&T can't keep embarrassing corporate information that it submits to the government out of public view; “personal privacy” rights do not apply to corporations. “We trust that AT&T will not take it personally” concluded the ruling.
First Probe To Orbit Mercury May Help Us Learn How Planets Form
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Next month, the first space probe in nearly 40 years will approach the planet Mercury, with an array of instruments that could help answer fundamental questions about how planets form. The mission is called MESSENGER, for Mercury Surface, Space ENvironment, GEochemistry and Ranging. On March 17 it will pull into orbit around mercury, after more than six years of maneuvering between the Earth, Venus and Mercury itself.
Google lets you tour museums worldwide
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Google's ever-expanding reach now extends to some of the finest art museums in the world. The Google Art Project lets Web surfers take a virtual tour of a number of museums, and even get a close look at some of the collection highlights.
Two Planets Found Sharing One Orbit
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Buried in the flood of data from the Kepler telescope is a planetary system unlike any seen before. Two of its apparent planets share the same orbit around their star. If the discovery is confirmed, it would bolster a theory that Earth once shared its orbit with a Mars-sized body that later crashed into it, resulting in the moon's formation.
Earliest Human Remains Found In U.S. Arctic
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Some 11,500 years ago one of America's earliest families laid the remains of a 3-year-old child to rest in their home in what is now Alaska. The discovery of that burial is shedding new light on the life and times of the early settlers who crossed from Asia to the New World, researchers report in Friday's edition of the journal Science.
Mobile Spyware Conferences Into Your Calls
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Cute apps and games might be fun, but they can also have hidden surprises. Be careful what you add. This is for Android, but the same applies to iPhone and others.
Reports of Multiple Variants of Android Virus 'Hong Tou Tou' are showing up, which has mainly been working its way onto smartphones viaalternative app marketplaces. Today, we saw reports of a new variant of spyware "Spy.Felxispy" targeting Symbian devices, identified by the National Computer Virus Emergency Response Centre of China. More than a dozen variants of the spyware have emerged since the first was spotted, and the latest has affected 150,000+ devices. Once installed, the spyware will turn on the Conference Call feature of the device without users' awareness. When users are making phone calls, the spyware automatically adds itself to the call to monitor the conversation.
Financial Malware Hijacks Online Banking Sessions
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A new type of financial malware has the ability to hijack customers' online banking sessions in real time using their session ID tokens. The OddJob Trojan keeps sessions open after customers think they have "logged off"', enabling criminals to extract money and commit fraud unnoticed. This is a completely new piece of malware that pushes the hacking envelope through the evolution of existing attack methodologies. It shows how hacker ingenuity can side-step many commercial IT security applications traditionally used to defend users' digital — and online monetary — assets.
Has the Second Dotcom Bubble Started?
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An article at the Guardian asks whether the exceedingly high valuations of social tech companies signify the arrival of a second dotcom bubble. Quoting:
"Every week, one of the new generation of internet firms seems to attract a sky-high valuation. Zynga, the social-network games company that has tempted millions to grow virtual vegetables in its FarmVille game, has been valued at $9bn (£5.54bn). Profitless Twitter is said to be worth $10bn. Groupon, vendor of online discounts, rejected a $6bn offer from Google and is considering a flotation with a potential valuation of $15bn. Tech-watchers say this is just the start: the real boom will come when Facebook, the head boy of the new dotcom frenzy, goes public, probably next year. ... The last dotcom boom really took off after the flotation of the internet software company Netscape in 1995. Patrick says this time it's likely to be Facebook that lights the fuse. So far, private investors have been locked out of the New Thing. But JP Morgan is setting up a fund, and Goldman Sachs recently tried to get its clients' money into Facebook."
Huge Amounts of Oil Found On Gulf of Mexico Floor
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news of a study examining the Gulf of Mexico sea floor in the wake of the Deepwater Horizon disaster. Marine scientists have found a thick layer of oil, and say it has devastated life there.
"Studies using a submersible found a layer, as much as 10cm thick in places, of dead animals and oil, said Samantha Joye of the University of Georgia. Knocking these animals out of the food chain will, in time, affect species relevant to fisheries. She disputed an assessment by BP's compensation fund that the Gulf of Mexico will recover by the end of 2012. ... 'The impact on the benthos was devastating,' she told BBC News. 'Filter-feeding organisms, invertebrate worms, corals, sea fans — all of those were substantially impacted — and by impacted, I mean essentially killed. Another critical point is that detrital feeders like sea cucumbers, brittle stars that wander around the bottom, I didn't see a living (sea cucumber) around on any of the wellhead dives. They're typically everywhere, and we saw none.'"
Ants Build Cheapest Networks
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When building a network from scratch, Argentine ants tend to connect their nests in the way that, while more inconvenient for individual ants,requires the minimum amount of trail. Researchers studying 'supercolonies' of the ants found them building networks that closely resembled the mathematical shortest path — a Steiner tree. They hope to apply their work to self-healing, organic computing networks of self-organising sensors, robots, computers, and autonomous cars."
This story adds to the earlier report of ants' networking prowess.
Confidential Data Not Safe On Solid State Disks
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I always thought that the SSD was a questionable place to store private data. These researchers at UCSD's Non-Volatile Systems Laboratory have torn apart SSDs and have found remnant data even after running several open source and commerical secure erase tools. They've also proposed some changes to SSDs that would make them more secure. Makes you think twice about storing data on SSDs — once you put it on, getting it off isn't so easy.
How To Build a Telescope That Trumps Hubble
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In cleanrooms around the country NASA and its contractors are building the James Webb Space Telescope, a marvel of engineering scheduled to launch in 2014. This gallery shows the features that will allow Webb to take the universe's baby pictures in infrared — most notably an 18-segment mirror and a 5-layer sunshield. I can't wait until Webb settles into its Lagrangian point way out beyond the moon and gets to work.
Secret Plan To Kill Wikileaks With FUD Leaked
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Three information security consultancies with links to US spy agencies cooked up a dirty tricks campaign late last year to destroy Wikileaks by exploiting its perceived weaknesses, reads a presentation released by the whistleblowers' (pdf) organization that it claimed to be from the conspirators. Consultants at US defense contractors Palantir Technologies, Berico Technologies and HBGary proposed to lawyers for a desperate Bank of America an alliance that would work to discredit the whistleblowers' website using a divide and conquer approach. Since the plan was hatched, disgruntled volunteers mentioned in the PDF broke away from Wikileaks, financial institutions withdrew services, [Jacob ] Appelbaum was harassed by the US government, and Amazon denied service to Wikileaks' website.
NASA Releases First 3D Images of the Sun
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On Feb. 6th, NASA's twin STEREO probes moved into position on opposite sides of the sun, and they are nowbeaming back uninterrupted images of the entire star—front and back. 'For the first time ever, we can watch solar activity in its full 3-dimensional glory,' says Angelos Vourlidas, a member of the STEREO science team at the Naval Research Lab in Washington, DC. NASA released a 'first light' 3D movie on, naturally, Super Bowl Sunday.
New Mexico Bill To Protect Anti-Science Education
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From the Wired article: 'If educators in New Mexico want to teach evolution or climate change as a "controversial scientific topic," a new bill seeks to protect them from punishment. House Bill 302, as it's called, states that public school teachers who want to teach "scientific weaknesses" about "controversial scientific topics" including evolution, climate change, human cloning and — ambiguously — "other scientific topics" may do so without fear of reprimand. The legislation was introduced to the New Mexico House of Representatives on Feb. 1 by Republican Rep. Thomas A. Anderson. Supporters of science education say this and other bills are designed to spook teachers who want to teach legitimate science and protect other teachers who may already be customizing their curricula with anti-science lesson plans.'
Bing Is Cheating, Copying Google Search Results
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(Click for rebuttal from Microsoft)
Google has run a sting operation that it says proves Bing has been watching what people search for on Google, the sites they select from Google's results, then uses that information to improve Bing's own search listings. Bing doesn't deny this.
Low Budget Air Space Photography
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With a budget of just 350 pounds, two British PhDs in engineering sent a balloon with cameras attached to a height of over 30 km."
The photos and video are pretty amazing. Especially the very hi-tech styrofoam box.
A study asks: What's a church's economic worth?
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What is a church's economic worth to the community it serves?
The valuation for 300-member Gloria Dei (Old Swedes') Episcopal Church in Queen Village, for instance, was a middle-of-the-road $1.65 million. By contrast, the figure for Visitation of the Blessed Virgin Mary Roman Catholic parish in Kensington, with 7,000 congregants, a parochial school, and a community center, was $22.44 million.
New PS3 Firmware Contains Backdoor
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PS3 patch has a back door, and "Sony can now remotely execute code on the PS3 as soon as you connect. This can do whatever Sony wants it to do, such as verifying system files or searching for homebrew. Sony can change the code and add new detection methods without any firmware updates."
EFF Uncovers Widespread FBI Intelligence Violations
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EFF has uncovered widespread violations stemming from FBI intelligence investigations from 2001 — 2008. In a report released today, EFF documents alarming trends in the Bureau's intelligence investigation practices, suggesting that FBI intelligence investigations have compromised the civil liberties of American citizens far more frequently, and to a greater extent, than was previously assumed. Using documents obtained through EFF's Freedom of Information Act (FOIA) litigation, the report finds: Evidence of delays of 2.5 years, on average, between the occurrence of a violation and its eventual reporting to the Intelligence Oversight Board; reports of serious misconduct by FBI agents including lying in declarations to courts, using improper evidence to obtain grand jury subpoenas, and accessing password-protected files without a warrant; and indications that the FBI may have committed upwards of 40,000 possible intelligence violations in the 9 years since 9/11.
Kinect's Grandaddy Running On an Apple IIe In 1978
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30 years before words like performance capture, augmented reality, or avatars were around — let alone commonplace — experimental film and video artist Tom DeWitt created a system that features aspects of all of them. Pantomation let users interact in real-time with a digital environment and props. It was built using Apple IIe's, analog video gear, and lots of custom hacking and patching. He's currently working on a holographic 3D system that's similarly ahead of its time.
Betelgeuse To Blow Up Soon — Or Not
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A wave of 2012-related hoopla has hit the internet about the star that makes the 'right shoulder' of Orion the hunter: Betelgeuse. Astronomer Phil Plait once again puts rumors to rest. The star will indeed explode as a type II supernova, and when it does it will be brighter than Venus when viewed from Earth, though not as bright as the full moon. It will be visible in the night sky for weeks, and could be visible in the day sky for a short time. But that event could happen today or 100,000 years from now, or as much as a million years from now. Since Betelgeuse is over 600 light-years away, its violent death will not harm Earth in any way, but will definitely provide a huge bonanza of scientific information about supernovae. As geeks, we can only hope the core of Betelgeuse undergoes catastrophic failure in our lifetime.
Biotech Company Making Fossil Fuels With a 'Library' of Bacteria
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In September, a privately held and highly secretive US biotech company named Joule Unlimited received a patent for 'a proprietary organism' – a genetically engineered cyanobacterium that produces liquid hydrocarbons: diesel fuel, jet fuel and gasoline. This breakthrough technology, the company says, will deliver renewable supplies of liquid fossil fuel almost anywhere on Earth, in essentially unlimited quantity and at an energy-cost equivalent of $30 (US) a barrel of crude oil. It will deliver, the company says, 'fossil fuels on demand.' ... Joule says it now has 'a library' of fossil-fuel organisms at work in its Massachusetts labs, each engineered to produce a different fuel. It has 'proven the process,' has produced ethanol (for example) at a rate equivalent to 10,000 US gallons an acre a year. It anticipates that this yield could hit 25,000 gallons an acre a year when scaled for commercial production, equivalent to roughly 800 barrels of crude an acre a year.
How Facebook Used White Space To Crush Myspace
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Mike talks a lot about disruptive innovation, about how -- despite all outward appearances -- newcomers can compete and even usurp the establishment (which are also called "entrants" and "incumbents" by Clayton Christensen). The examples are plentiful: Microsoft Money was outfoxed by Intuit's Quicken, Nike's pre-loaded iPhone app was leapfrogged by RunKeeper, Blockbuster was run into the ditch by Netflix, Kodak was surprised by the swift adoption ofdigital cameras... the evidence shows again and again that the size of the company and vastness of its resources do not necessarily guarantee its market dominance.
Encrypt Your Smartphone — Or Else
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Modern smartphones contain ever-increasing volumes of our private personal data — from text messages to images to emails — yet many smartphone security features can easily be circumvented by thieves or police officers equipped with off-the-shelf forensics equipment. Worse, thanks to a recent California Supreme Court ruling, police officers may be able to search your smartphone for hours without a warrant if you're arrested for any reason. Ars Technica has an article exploring the legal issues surrounding cell phone searches and explaining how you can safeguard your smartphone from the prying eyes of law enforcement officers.
How Facebook Ships Code
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This is pretty software engineering technical, so it might not make sense to some. But is supports my assumption that you don't need a formal development methodology if you have good engineers.
The two largest teams at Facebook are Engineering and Ops, with roughly 400-500 team members each, together making up about 50% of the company. All engineers go through 4 to 6 week "Boot Camp" training where they learn the Facebook system by fixing bugs. After boot camp, all engineers get access to live DB and any engineer can modify any part of Facebook's code base and check-in at-will so that engineers can modify specs mid-process, re-order work projects, and inject new feature ideas anytime. Then arguments about whether or not a feature idea is worth doing or not generally get resolved by spending a week implementing it and then testing it on a sample of users, e.g., 1% of Nevada users. "All changes are reviewed by at least one person, and the system is easy for anyone else to look at and review your code even if you don't invite them to," writes yeegay. "It would take intentionally malicious behavior to get un-reviewed code in." What is interesting for a compnay this size is that there is no official QA group at Facebook but almost every employee is dogfooding the product every day.
Facebook Opens Up Home Addresses and Phone Numbers
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and then suspends feature
Hopefully, nobody puts their actual address and phone number in Facebook, but for those who do:
It took only 3 days to suspend this "feature"
Do you really want third-party app developers on Facebook to be able to access your mobile phone number and home address? Facebook has announced that developers of Facebook apps can now gather the personal contact information from their users. Security firm Sophos describes it as 'a move that could herald a new level of danger for Facebook users' and advises users to remove their home address and phone numbers from the network immediately.
Extinct Mammoth, Coming To a Zoo Near You
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Professor Akira Iritani of Kyoto University plans to use recent developments in cloning technology to give life to the currently extinct woolly mammoth. Although earlier efforts in the 1990s were unsuccessful due to damage caused by extreme cold, Professor Iritani believes he can use a technique pioneered by Dr Wakayama (who successfully cloned a frozen mouse) to overcome this obstacle. This technique will enable Professor Iritani to identify viable cell nuclei, and transfer them to egg cells of an African elephant which will carry the mammoth for a 600 day pregnancy.
Twitpics from space
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Douglas H. Wheelock, who goes by the name@Astro_Wheels on Twitter, photographed fellow astronaut Tracy Caldwell Dyson gazing at the view of Earth from a window in the Cupola on the International Space Station, before she headed home with teammates Sasha and Misha on a Soyuz space craft. Mr Wheelock regularly sends pictures back to Earth via his Twitter account. We present some of them here, but to see more, simply follow @Astro_Wheels on Twitter
Autism-Vax Doc Scandal Was Pharma Business Scam
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In his second report, Brian Deer exposes how MMR-autism prophet Andrew Wakefield aimed to profit from the vaccine scare. Two years before the research that "discovered" the MMR-autism link, Wakefield began courting interest in a hundred-million-dollar diagnostics firm. The doctor hoped to seed the company with government legal aid money and profit by charging "premium prices" for new diagnostic tests to be used in vaccine injury lawsuits. By the time Wakefield published, the proposals had expanded into producing new "safe" vaccines, two businesses to gather legal aid funding, and interest from partners including Wakefield's own hospital. The scheme ultimately disintegrated with the arrival of new leadership at Wakefield's hospital and ongoing scrutiny into his research.
Hubble Confirms Nature of Mysterious Green Blob
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In 2007, Dutch secondary school biology teacher Hanny van Arkel spotted something mysterious in the night sky. Combing through Galaxy Zoo, an online database set up to enlist the public's help in classifying galaxies, she came across a glowing green smudge of light approximately 650 million light-years away. The object, which became known as Hanny's Voorwerp (Dutch for 'object'), is one of the most mysterious in the universe. Now, detailed Hubble Space Telescope images and new x-ray observations presented here today at the 217th meeting of the American Astronomical Society may finally confirm what it is.
Thunderstorms Proven To Create Antimatter
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Scientists using NASA's Fermi Gamma-ray Space Telescope have detected beams of antimatter from thunderstorms in the form of positrons hurled into space. Scientists think the antimatter particles were formed in a terrestrial gamma-ray flash, a brief burst produced inside thunderstorms and shown to be associated with lightning. 'These signals are the first direct evidence that thunderstorms make antimatter particle beams,' said Michael Briggs, a member of Fermi's Gamma-ray Burst Monitor team. He presented the findings at a news briefing at the American Astronomical Society meeting in Seattle.
Mars Journal Issue Inspires Hundreds of One-Way Trip Volunteers
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An interplanetary trip to Mars could take as little as 10 months, but returning would be virtually impossible — making the voyage a form of self-imposed exile from Earth unlike anything else in human history. What would inspire someone to volunteer? A special edition of theJournal of Cosmology detailed exactly how a privately-funded, one-way mission to Mars could depart as soon as 20 years from now — and it prompted more than 400 readers to volunteer as colonists. 'I've had a deep desire to explore the universe ever since I was a child and understood what a rocket was,' said Peter Greaves, the father of three, and a jack-of-all-trades who started his own motorcycle dispatch company and fixes computers and engines on the side. 'I envision life on Mars to be stunning, frightening, lonely, quite cramped and busy,' he said. Given the difficulties of the mission, Lana Tao, the editor of the Journal, said she was surprised by the response. 'At first we thought the e-mails were a joke... then we realized they were completely serious.'
US Government Strategy To Prevent Leaks Is Leaked
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The US government's 11-page document on how to get various US government agencies to prevent future leaks has been leaked. It doesn't get any more ironic than that. After the various leaks made by WikiLeaks, the US government understandably wants to limit the number of potential leaks, but their strategy apparently isn't implemented yet. It's clear that the Obama administration is telling federal agencies to take aggressive steps to prevent further leaks. According to the document, these steps include figuring out which employees might be most inclined to leak classified documents, by using psychiatrists and sociologists to assess their trustworthiness. The memo also suggests that agencies require all their employees to report any contacts with members of the news media they may have.

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