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Top news on 5 September 2009 |
Amazon Offers To Return Pulled Orwell Ebooks
Back in July, Amazon faced public outrage over their decision to delete ebook copies of 1984 and Animal Farm from the Kindles of customers who purchased them. Shortly thereafter, CEO Jeff Bezos offered an apology, acknowledging that Amazon handled the situation in a "stupid" and "thoughtless" manner. Now, they're offering something more substantial: anyone who had an ebook deleted can now have it restored, apparently with annotations intact. Any customer who isn't interested in a new copy can get either an Amazon gift certificate or a check for $30.Read more of this story at Slashdot.
PageRank Algorithm Applied To the Food Web
An anonymous reader brings word of a new application for PageRank, Google's link analysis algorithm: monitoring the food web in an ecosystem. A team of researchers found that a modified version of PageRank can predict with great accuracy which species are vital to the existence of others. Quoting: "Every species is embedded in a complex network of relationships with others. A single extinction can cascade into the loss of seemingly unrelated species. Investigating when this might happen using more conventional methods is complicated, as even in simple ecosystems, the number of combinations exceeds the number of atoms in the universe. So, it would be impossible to try them all. Co-author Dr. Stefano Allesina realized he could apply PageRank to the problem when he stumbled across an article in a journal of applied mathematics describing the Google algorithm. 'First of all, we had to reverse the definition of the algorithm. In PageRank, a web page is important if important pages point to it. In our approach, a species is important if it points to important species.'"Read more of this story at Slashdot.
Code-Breaking Quantum Algorithm On a Silicon Chip
Urchin writes "Shor's quantum algorithm, which offers a way to crack the commonly-used RSA encryption algorithm, has been demonstrated on a silicon chip for the first time. The algorithm was first demonstrated on large tabletop arrays 3 years ago, but the photonic quantum circuit can now be printed relatively easily onto a silicon chip just 26 mm long. You can see the abstract from the team's academic paper in the journal Science; the full text requires a subscription."Read more of this story at Slashdot.
How 136 People Became 7 Million Illegal File-Sharers
Barence writes "The British government's official figures on the level of illegal file sharing in the UK come from questionable research commissioned by the music industry. The Radio 4 show named 'More or Less' examined the government's claim that 7m people in Britain are engaged in illegal file sharing. The 7m figure actually came from a report written about music industry losses for Forrester subsidiary Jupiter Research. The report was privately commissioned by none other than the UK's music trade body, the BPI. The 7m figure had been rounded up from an actual figure of 6.7m, gleaned from a 2008 survey of 1,176 net-connected households, 11.6% of which admitted to having used file-sharing software — in other words, only 136 people. That 11.6% was adjusted upwards to 16.3% 'to reflect the assumption that fewer people admit to file sharing than actually do it.' The 6.7m figure was then calculated based on an estimated number of internet users that disagreed with the government's own estimate. The wholly unsubstantiated 7m figure was then released as an official statistic."Read more of this story at Slashdot.
Appropriate Interviewing For a Worldwide Search?
jellomizer writes 'I am a manager of a small Software Development department, looking to hire some more developers. By edict of the CEO, the search must be made globally, so we are dealing with different cultures and different ideas of truth and embellishment, etc. To try to counteract this, we give the potential employees tests where I watch what they do, to see if they actually know what they say they know. However, it seems a lot of applicants drop out when I mention that this test is mandatory. Is this a sign that we caught them in a lie, or are we weeding out good people where we shouldn't be? Would you be willing to take a test as part of an interview? If so, is there any type of heads up you would like to know beforehand to make the decision of whether to take the test easier?' What other difficulties have people seen while trying to hire from many different cultures?Read more of this story at Slashdot.
New England Prep School Library Goes Entirely Digital
An anonymous reader writes to mention that Cushing Academy has decided to leap into the future by getting rid of all the books in their library and going completely digital. Instead of dusty stacks, the library is spending close to half a million dollars to install all the hallmarks of a digital learning center. Flat screen TVs, "laptop friendly carrells," and a coffee shop are just the first step in building an area that allows students access to millions of books as opposed to several thousand. Of course, not everyone is completely sold on this move: "[Keith Michael Fiels, executive director of the American Library Association] said the move raises at least two concerns: Many of the books on electronic readers and the Internet aren't free and it may become more difficult for students to happen on books with the serendipity made possible by physical browsing. There's also the question of the durability of electronic readers. 'Unless every student has a Kindle and an unlimited budget, I don't see how that need is going to be met,' Fiels said. 'Books are not a waste of space, and they won't be until a digital book can tolerate as much sand, survive a coffee spill, and have unlimited power. When that happens, there will be next to no difference between that and a book.'"Read more of this story at Slashdot.
Mixing Coal and Solar To Produce Cheaper Energy
Al writes "It might not please many environmentalists, but a major energy company is adding solar-thermal power to a coal plant and says this could be the cost-effective way to produce energy while lowering CO2 emissions. Abengoa Solar and Xcel Energy, Colorado's largest electrical utility, have begun modifying the coal plant, which is based near Grand Junction, Colorado. Under the design, parabolic troughs will be used to preheat water that will be fed into the coal plant's boilers, where coal is burned to turn the water into steam. Cost savings comes from using existing turbines and generators and from operating at higher efficiencies, since the turbines and generators in solar-thermal plants are normally optimized to run at the lower temperatures generated by parabolic mirrors."Read more of this story at Slashdot.
Symantec Wants To Use Victims To Hunt Computer Criminals
Hugh Pickens writes "Business Week reports that security experts plan to recruit victims and other computer users to help them go on the offensive and hunt down hackers. '"It's time to stop building burglar alarms to keep people out and go after the bad guys," says Rowan Trollope, senior vice-president for consumer products at Symantec, the largest maker of antivirus software. Symantec will ask customers to opt in to a program that will collect data about attempted computer intrusions and then forward the information to authorities. Symantec will also begin posting the FBI's top 10 hackers and their schemes on its Web site, where customers go for software updates and next year the company will begin offering cash bounties for information leading to an arrest. The strategy has its risks as hackers who find novices on their trail may trash their computers or steal their identities as punishment. Citizen hunters could also become cybervigilantes and harm bystanders as they pursue criminals but Symantec is betting customers won't mind being disrupted if they can help snare the bad guys. "I'm convinced we can clean up the Internet in 10 years if we can peel away the dirt and show people the threats they're facing," says Trollope.'"Read more of this story at Slashdot.
New Zealander Invents Segway Alternative
RainbowBrite writes "The YikeBike is the invention of a New Zealander aiming to alleviate city congestion. 'It might look like a collision between a praying mantis and a child's scooter, but it's the result of five years of work to reinvent the wheel, with one important addition: an electric motor. It's a bicycle, but not as we have come to know it. For a start, you sit upright and steer with your hands at your side.'" The YikeBike weighs in at a measly 22 lbs but has a hefty price tag of almost $5,000 US (£3,000). The expected lifespan is only 1,000 charges but has a projected range of around six miles.Read more of this story at Slashdot.
Steve Ballmer Directing "House Party 7"
theodp writes "What are you doing on Oct. 22? Microsoft is putting a Tupperware-style twist on the upcoming Windows 7 rollout, launching a new initiative to encourage thousands of employees, partners and technology enthusiasts to throw parties in their homes and communities to demonstrate and help spread the word about its new OS. People accepted as official launch party hosts will get their own copy of Windows 7 Ultimate Edition, and a chance to win a computer. Host spaces are very limited, so apply now, kids. Hey, what could possibly go wrong?"Read more of this story at Slashdot.
Schooling, Homeschooling, and Now, "Unschooling"
ciaohound writes "The Baltimore Sun has a story about 'unschooling,' which is like homeschooling except, well, without the schooling. '...unschooling incorporates every facet of a child's life into the education process, allowing a child to follow his passions and learn at his own pace, year-round. And it assumes that an outing at the park — or even hours spent playing a video game — can be just as valuable a teaching resource as Hooked on Phonics.' If you have ever been forced to sit in a classroom where no learning was taking place, you may understand the appeal. A driving force behind the movement is parents' dissatisfaction with regular schools, and presumably with homeschooling as well. Yet few researchers are even aware of unschooling and little research exists on its effectiveness. Any Slashdotters who have experience with 'unschooling?'"Read more of this story at Slashdot.
How a Team of Geeks Cracked the Spy Trade
drunken_boxer777 sends us to The Wall Street Journal for a lengthy article on a small tech company, Palantir Technologies, that is making the CIA, Pentagon, and FBI take notice. The submitter adds, "And yes, their company name is a reference to what you think it is." "One of the latest entrants into the government spy-services marketplace, Palantir Technologies has designed what many intelligence analysts say is the most effective tool to date to investigate terrorist networks. The software's main advance is a user-friendly search tool that can scan multiple data sources at once, something previous search tools couldn't do. That means an analyst who is following a tip about a planned terror attack, for example, can more quickly and easily unearth connections among suspects, money transfers, phone calls and previous attacks around the globe. ... With Palantir's software 'you can actually point to examples where it was pretty clear that lives were saved.'"Read more of this story at Slashdot.
Doctorow On What Cloud Computing Is Really For
Diabolus Advocatus alerts us to an article Cory Doctorow has up on guardian.co.uk, addressing what cloud computing really means for the average consumer: "The tech press is full of people who want to tell you how completely awesome life is going to be when everything moves to 'the cloud' — that is, when all your important storage, processing and other needs are handled by vast, professionally managed data-centers. Here's something you won't see mentioned, though: the main attraction of the cloud to investors and entrepreneurs is the idea of making money from you, on a recurring, perpetual basis, for something you currently get for a flat rate or for free without having to give up the money or privacy that cloud companies hope to leverage into fortunes."Read more of this story at Slashdot.
Google To Host International SVG Conference
stelt writes "On Oct.2–4 Google will host the international conference on Scalable Vector Graphics at its campus in Mountain View, California. The SVG Open conference schedule shows developers and designers of various backgrounds. Major brands, open source projects, universities, and individuals are presenting on a variety of subjects like interactive scientific visualizations, mobile web animation art, internationalization and localization in print, geo-systems, etc. A couple of weeks back we discussed Google's adding SVG support to IE, and details of this project will be presented during the keynote 'SVG in Internet Explorer and at Google.'" Early-bird registration has already ended for this conference, but the pricing is not steep.Read more of this story at Slashdot.
"Overwhelming" Evidence For Magnetic Monopoles
Thorfinn.au sends along big physics news: magnetic monopoles have been detected at low temperatures in "Dirac strings" within a single crystal of Dysprosium Titanate. Two papers are being published today in the journal Science and two more on arXiv.org, as yet unpublished, provide further evidence. "Theoretical work had shown that monopoles probably exist, and they have been measured indirectly. But the Science papers are the first direct experiments to record the monopole's effects on the spin-ice material. The papers use neutrons to detect atoms in the crystal aligned into long daisy chains. These daisy chains tie each north and south monopole together. Known as 'Dirac strings,' the chains, as well as the existence of monopoles, were predicted in the 1930s by the British theoretical physicist Paul Dirac. Heat measurements in one paper also support the monopole argument. The two, as yet unpublished, papers on arXiv add to the evidence. The first provides additional observations, and the second uses a new technique to determine the magnetic charge of each monopole to be 4.6x10-13 joules per tesla metre. All together, the evidence for magnetic monopoles 'is now overwhelming,' says Steve Bramwell, a materials scientist at University College London and author on one of the Science papers and one of the arXiv papers."Read more of this story at Slashdot.
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