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Catch up on stories from the past week (and beyond) at the Slashdot story archive

Toys

+ - 189 Sound Responsive High Power LED Array->

Submitted by
Gibbs-Duhem
Gibbs-Duhem writes "This video shows operation of a neat project using some new digital analysis chips to produce hacker-friendly sound-responsive LED modules similar to old color organs, but much smaller, easier to set up, and modular. As usual, the boards are open-hardware, and both eagle schematics and board layouts are available on the website. The artist is constructing a 10x10 array using a Kickstarter Project, which will put out 25,000 lumens of light for a display at Burning Man. This work is from the same artist who previously built wifi LED lighting for some pretty cool installations around the country and lights with ultra-high CRI and added ultraviolet LEDs for use with artwork display."
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Patents

+ - 167 Patent Troll now armed with thousands of Nortel patents->

Submitted by dgharmon
dgharmon writes "You may recall last summer that Apple, Microsoft, EMC, RIM, Ericsson and Sony all teamed up to buy Nortel's patents for $4.5 billion. They beat out a team of Google and Intel who bid a bit less. While there was some antitrust scrutiny over the deal, it was dropped and the purchase went through. Apparently, the new owners picked off a bunch of patents to transfer to themselves... and then all (minus EMC, who, one hopes, was horrified by the plans) decided to support a massive new patent troll armed with the remaining 4,000 patents. The company is called Rockstar Consortium, and it's run by the folks who used to run Nortel's patent licensing program anyway — but now employs people whose job it is to just find other companies to threaten:"
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Businesses

+ - 105 Apple Fires Back At DoJ Over eBook Price Fixing->

Submitted by Anonymous Coward
An anonymous reader writes "CNN takes a look at Apple's response to the Department of Justice's investigation into eBook price fixing. The filing 'cuts the government's case to shreds' while at the same time not bothering to defend the five publishers also under investigation. Apple said, 'The Government starts from the false premise (PDF) that an eBooks "market" was characterized by "robust price competition" prior to Apple's entry. This ignores a simple and incontrovertible fact: before 2010, there was no real competition, there was only Amazon. At the time Apple entered the market, Amazon sold nearly nine out of every ten eBooks, and its power over price and product selection was nearly absolute.'"
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Censorship

+ - 115 Internet Defense League - Bat Signal for the Internet->

Submitted by mikejuk
mikejuk writes "Following the successful defence of the Internet agains SOPA website owners are being invited to sign up to a project that will enable them to participate in future protest campaigns. The banner logo for the "bat-signal" site is a cat a reference to Ethan Zuckerman's cute cat theory of digital activism The idea is that sites would respond to the call to "defend the Internet" by joining a group blackout or getting users to sign petitions."
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+ - 135 Preventing Cyberbullying by Bulldozing Civil Liberties->

Submitted by Anonymous Coward
An anonymous reader writes "The Malaysian Government has recently passed an amendment to their Evidence Act that has been designed to hold cyber bullies accountable for their malicious tirades on blogs or Facebook Walls. Unfortunately, the amendment has been worded such that "If your name, photograph or pseudonym appears on any publication depicting yourself as the author, you are deemed to have published the content" and "If a posting comes from your Internet or phone account, you are deemed to be the publisher unless the contrary is proved." What these raft of amendments have done is shifted the burden of proof to the accused. One is considered guilty until proven innocent. Even the simple act of posting an offending message on a friend's Facebook Wall could get that friend and not the original poster, into trouble with this law. Although the amendments were initiated by good intentions, conspiracist can see how easily this law can be misused to curb dissent in Malaysia."
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+ - 185 Shouryya Ray solves 300-year-old mathematical riddle posed by Isaac Newton->

Submitted by
johnsnails
johnsnails writes "A GERMAN 16-year-old has become the first person to solve a mathematical problem posed by Sir Isaac Newton more than 300 years ago.
Shouryya Ray worked out how to calculate exactly the path of a projectile under gravity and subject to air resistance, The (London) Sunday Times reported.
The Indian-born teen said he solved the problem that had stumped mathematicians for centuries while working on a school project.

Read more: http://www.news.com.au/technology/german-teen-shouryya-ray-solves-300-year-old-mathematical-riddle-posed-by-sir-isaac-newton/story-e6frfro0-1226368490157#ixzz1w3LI5N1w"

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The Almighty Buck

+ - 135 Groupon Takes Aim at Paypal with Payment Service 1

Submitted by Anonymous Coward
An anonymous reader writes "Groupon is testing a payment service that will allow merchants to accept credit cards using its infrastructure, reports said, pushing the coupon company into market space already occupied by Paypal and Square.

The world's largest daily-deal company is testing a card reader manufactured by Infinite Peripherals allowing merchants to accept credit cards by plugging the device into a smartphone.

It may be able to undercut them with fees coming from other services it offers merchants."
Education

+ - 207 India's Engineering Grads Cannot Solve Simple Math Problems-> 6

Submitted by chiguy
chiguy writes "MIT alumnus Varun Aggarwal and IIT-Delhi graduate Himanshu Aggarwal released a study suggesting that 30% of Indian engineering graduates can't solve simple math problems. As reported in India Today:

"A bag is full of 20 bananas and no other fruit. Rajeev draws a fruit from the bag. What is the probability that he will draw a banana?

An embarrassing 30 per cent of the country's engineers cannot solve a problem as simple as the one above, a study has found. Their ineptitude, however, is not limited to just sums of probability.

It's worse as over one-third engineers do not possess mathematical skills needed in day-to-day life for doing simple transactions, counting and arranging. In other words, they have a weak understanding of concepts as elementary as decimals, powers, operations, ratio, fractions and the ability to apply these concepts to real-world problems."

Is this surprising? How does this compare to American/Western countries?"

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Games

+ - 138 Dungeons and dragons playtest released->

Submitted by thuf1rhawat
thuf1rhawat writes "for a certain type of geek, nothing is more important than dungeons and dragons, with the announcement last year of the new edition and the announcement that an open playtest will occur. finally it's available ( subject to usual nda's etc)"
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The Military

+ - 187 Iran Reverse Engineers Cobra Attack Helicopter

Submitted by
Hugh Pickens writes
Hugh Pickens writes writes "Defense Tech reports that continuing it’s tradition of reverse engineering and fabricating its stockpile of 40-year old American weaponry, Iran announced that it is about to unveil its first ever domestically produced Cobra attack choppers. Nearly 50-years after the US introduced the legendary Bell AH-1 Cobra, once the the backbone of the United States Army's attack helicopter fleet, Iran’s locally-grown Cobras will be armed with “different types of home-made caliber guns, rockets and missiles,” according to Iran’s semi-official Fars news agency. “All the phases of designing and manufacturing of the chopper have been done inside the country and the helicopter enjoys some capabilities which make it preferable to Apache Choppers,” says Brigadier General Kioumars Heidari. Iranian officials stress that the Iran's military and arms programs serve defensive purposes and should not be perceived as a threat to any other country reports the FARS news release. More photos available here."

+ - 185 Ask Slashdot: How to Shop for a Laptop

Submitted by jakooistra
jakooistra writes "I recently got my dream laptop: a Macbook Air. It had everything I needed, and its hardware design is solid. I know what I'm getting, and I know it's what I want, and the two line up perfectly.

Weeks later, my sister asks me for a laptop recommendation. I say "sure, what are techie brothers for!" and diligently start my search for her perfect laptop. Two days later, I feel like I've aged two years. Every laptop vendor seems to want to sell a dozen different poorly-differentiated models, with no real way of finding out what is customizable without following each model to its own customization page. And there are so many vendors! How am I, as a consumer, supposed to find what I need? Is there a website, hiding somewhere that I just can't find, that tracks all the multivariate versions and upgrade choices in an easily searchable database?

Failing that, I'd like to crowdsource finding the following laptop:
-Good CPU, almost don't care about GPU (HD 3000 graphics are acceptable)
-SSD HD (or at least hybrid cache)
-Cool running (no leg-burning, in fact integrated graphics might be preferable)
-15" or 17" screen
-1366x768 is acceptable if all else fails, but I'd prefer 1440x900 or more, especially on a 17"
-Optical drive (not external)
-Under $2000, nominally $1500"
Medicine

+ - 234 People Born With Certain "Personality Genes" May Live Longer->

Submitted by Anonymous Coward
An anonymous reader writes "People who are outgoing, optimistic, easygoing, and have a good sense of humor and a large social network are likely to live longer than others who don't possess these personality traits, according to new research.

The study reveals how saying "It’s in their genes" could refer to more than just genetic variations that give a physiological advantage like having high levels of HDL ("good") cholesterol because people with positive personality traits appear to live longer than those who do not."

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Government

+ - 347 US CIO/CTO: Idea of Hiring COBOL Coders Laughable

Submitted by theodp
theodp writes "If you're a COBOL programmer, you're apparently persona non grata in the eyes of the nation's Chief Information and Chief Technical Officers. Discussing new government technology initiatives at the TechCrunch Disrupt Conference, Federal CIO Steven VanRoekel quipped, "I'm recruiting COBOL developers, any out there?," sending Federal CTO Todd Park into fits of laughter (video). Lest anyone think he was serious about hiring the old fogies, VanRoekel added: "Trust me, we still have it in the Federal government, which is quite, quite scary." So what are VanRoekel and Park looking for? 'Bad ass innovators — the baddest ass of the bad asses out there' Park explained, 'to design, create, and kick ass for America.' Within 24 hours of VanRoekel's and Park's announcement, 600 bad asses had applied to be Presidential Innovation Fellows."
Education

+ - 396 Barter-Based School Catching on Globally->

Submitted by
sethopia
sethopia writes "In 2010, three people had the crazy idea to start a school where the teachers teach whatever they want and the students pay for classes with whatever teachers need—cutlery, art, advice—but never with money. Trade Schools have been popping up around the world and are now active in 15 cities and 10 countries, with almost no prodding from its founders. Caroline Woolard, one of the founders, discusses the challenges and opportunities of adapting their idea to an international audience and making the Trade School software—based on Python and Django—great."
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Technology

+ - 293 Can you buy tech with a clean conscience?-> 1

Submitted by
Barence
Barence writes "PC Pro has a feature asking if it's even possible to buy technology with a clean conscience? With the vast majority of gadgets and components manufactured using low-paid labour in Asia, manufacturers unable to accurately plot their supply chains, and very few ethical codes of conduct, the feature highlights the difficulty of trying to buy ethically-sound kit.

"So can you buy technology with a clear conscience? The answer would appear to be no. Too little information is available, and nobody we spoke to believed an entirely ethical technology company exists – at least, not among the household names," the feature concludes."

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The Internet

+ - 114 Van Jacobson Denies Averting Internet Meltdown in 1980s->

Submitted by strangebush
strangebush writes "He didn't make Vint Cerf famous.....

“I was getting a bit per second between two network gateways that were literally in the same room,” Jacobson remembers.

For the next six months, Jacobson — together with Mike Karels, who oversaw Berkeley’s BSD UNIX operating system — worked to solve this internet traffic jam, and the result was an update to TCP....""

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