CmdrTaco - Slashdot User

Venus' Crust Heals Too Fast For Plate Tectonics 135

Posted by samzenpus on Monday April 21, 2014 @11:40AM from the too-hot-to-crack dept.

An anonymous reader writes in with an interesting look at how important plate tectonics may be to life and why the crust on Venus works differently than it does on Earth. "Without plate tectonics, carbon would build up in the atmosphere. Venus, which does not have tectonics, shows the results: an atmosphere that is 96 percent carbon dioxide. It's toxic. Yet Venus is about the same size and composition as our planet, so why doesn't it have plate tectonics? Some researchers made a model to explore how Earth initiated plate movements, and these same researchers made one model of its neighbor for comparison. A 1.5-billion-year-old Earth and a similarly aged Venus were modeled as a hot, mushy material made of tiny particles of rock. The model uses physics at the one-millimeter rock grain scale to explain how the whole planet behaves. According to David Bercovici, a geophysicist at Yale who was an author on the paper, the model also shows how plate tectonics emerged on Earth but not on her twin."

Submission + - Venus' crust heals too fast for plate tectonics

Submitted by Anonymous Coward on Monday April 21, 2014 @11:07AM

An anonymous reader writes: Without plate tectonics, carbon would build up in the atmosphere. Venus, which does not have tectonics, shows the results: an atmosphere that is 96 percent carbon dioxide. It's toxic. Yet Venus is about the same size and composition as our planet, so why doesn't it have plate tectonics? Some researchers made a model to explore how Earth initiated plate movements, and these same researchers made one model of its neighbor for comparison. A 1.5-billion-year-old Earth and a similarly aged Venus were modeled as a hot, mushy material made of tiny particles of rock. The model uses physics at the one-millimeter rock grain scale to explain how the whole planet behaves. According to David Bercovici, a geophysicist at Yale who was an author on the paper, the model also shows how plate tectonics emerged on Earth but not on her twin.

Heartbleed Pricetag To Top $500 Million? 80

Posted by samzenpus on Monday April 21, 2014 @10:58AM from the price-tag dept.

darthcamaro (735685) writes "The Heartbleed OpenSSL vulnerability has dominated IT security headlines for two weeks now as the true impact the flaw and its reach is being felt. But what will all of this cost? One figure that has been suggested is $500 million, using the 2001 W.32 Nimda worm as a precedent. Is that number too low — or is it too high?"

Submission + - Apple, Google Vying for Mobile Game Exclusivity

Submitted by Anonymous Coward on Monday April 21, 2014 @10:27AM

An anonymous reader writes: Here's an interesting look at the battle for mobile video game money between Google and Apple. 'Last August, for the launch of "Plants Vs. Zombies 2," a highly anticipated sequel to a popular zombie-survival strategy game, publisher Electronic Arts Inc. struck a deal with Apple, which promoted the game prominently in its App Store, according to people familiar with the matter. In exchange, one of these people said, EA agreed to give Apple about a two-month window of exclusivity for the title, which wasn't released on Google's Android software until October.'

Expert Warns: Civilian World Not Ready For Massive EMP-Caused Blackout 271

Posted by samzenpus on Monday April 21, 2014 @10:15AM from the turn-off-the-lights dept.

schwit1 (797399) writes "An electromagnetic pulse is a burst of electromagnetic energy strong enough to disable, and even destroy, nearby electronic devices. In the first few minutes of an EMP, nearly half a million people would die. That's the worst-case scenario that author William R. Forstchen estimated would be the result of an EMP on the electric grid. 'If you do a smart plan — the Congressional EMP Commission estimated that you could protect the whole country for about $2 billion,' Peter Vincent Pry, executive director of the Task Force on National and Homeland Security and director of the U.S. Nuclear Strategy Forum, told Watchdog.org. 'That's what we give away in foreign aid to Pakistan every year.' He said the more officials plan, the lower the estimated cost gets. 'The problem is not the technology,' Pry said. 'We know how to protect against it. It's not the money, it doesn't cost that much. The problem is the politics. It always seems to be the politics that gets in the way.'"

AMD Not Trying To Get Its Chips Into Low-Cost Tablets 87

Posted by samzenpus on Monday April 21, 2014 @09:32AM from the not-interested dept.

jfruh (300774) writes "While Intel is going after low-end Android tablets in a big way chipmaking x86 rival AMD is taking a more judicious approach, looking to focus on the high end. 'This idea of contra revenue is foreign to us,' said AMD's CEO, referring to Intel's strategy of selling chips at a loss to boost market share. But will Intel's vast resources keep AMD in its niche?"

Google: Better To Be a 'B' CS Grad Than an 'A+' English Grad 358

Posted by samzenpus on Monday April 21, 2014 @08:51AM from the take-the-hard-road dept.

theodp (442580) writes "In a NY Times interview on How to Get a Job at Google with Laszlo Bock, who is in charge of all hiring at Google, the subject of grit-based hiring came up. Bock explained: 'I was on campus speaking to a student who was a computer science and math double major, who was thinking of shifting to an economics major because the computer science courses were too difficult. I told that student they are much better off being a B student in computer science than an A+ student in English because it signals a rigor in your thinking and a more challenging course load. That student will be one of our interns this summer.' Bock also advised, 'You need to be very adaptable, so that you have a baseline skill set that allows you to be a call center operator today and tomorrow be able to interpret MRI scans.'"

New Facebook Phone App Lets You Stalk Your Friends 61

Posted by samzenpus on Friday April 18, 2014 @08:05AM from the I-won't-be-ignored dept.

Hugh Pickens DOT Com (2995471) writes "Iain Thomson reports that Facebook is adding a new application called 'Nearby Friends' that alerts smartphone users when their friends are nearby. 'If you turn on Nearby Friends, you'll occasionally be notified when friends are nearby, so you can get in touch with them and meet up,' says Facebook in a statement. 'For example, when you're headed to the movies, Nearby Friends will let you know if friends are nearby so you can see the movie together or meet up afterward.' The feature, which is opt-in, allows users to select which friends get a warning that you are in the area, and prepare a subset of people who might like to know when you're near, if they have the Nearby Friends activated as well. According to Josh Constine what makes 'Nearby Friends' different than competitors and could give it an advantage is that it's centered around broadcasting proximity, not location. 'If someone's close, you'll know, and can ping them about their precise location and meeting up. Broadcasting location is creepy so we're less likely to share it, and can cause awkward drop-ins where someone tries to come see you when you didn't want them to.'"

Lying Eyes: Cyborg Glasses Simulate Eye Expressions 56

Posted by samzenpus on Friday April 18, 2014 @05:34AM from the all-the-better-to-see-you-with dept.

Rambo Tribble (1273454) writes "A researcher in Japan has taken what is, perhaps, the next step after Google Glass: Glasses which produce animated images of the user's eyes to simulate emotional responses. They are intended to aid workers in emotionally-intensive environments. As the researcher explains, '... they allowed others to feel they were "cared" about ...'"

Plant Breeders Release 'Open Source Seeds' 136

Posted by samzenpus on Friday April 18, 2014 @02:58AM from the people's-meadow dept.

mr crypto (229724) writes "A group of scientists and food activists are launching a campaign to change the rules that govern seeds. They're releasing 29 new varieties of crops under a new 'open source pledge' that's intended to safeguard the ability of farmers, gardeners and plant breeders to share those seeds freely."

Criminals Using Drones To Find Cannabis Farms and Steal Crops 258

Posted by samzenpus on Friday April 18, 2014 @12:30AM from the red-eye-in-the-sky dept.

schwit1 (797399) writes "There has been a huge surge in the number of hidden cannabis farms across Halesowen, Cradley Heath and Oldbury, towns on the outskirts of rural Shropshire some seven miles from central Birmingham. They require hydroponic lights for the marijuana plants to grow – and the huge amounts of excess heat given off make them easily spottable for a would-be criminal with a drone carrying infrared cameras. One such man says that after finding a property with a cannabis farm he and his crew either burgle or 'tax' the victim."

Oracle Deflects Blame For Troubled Oregon Health Care Site 163

Posted by samzenpus on Thursday April 17, 2014 @10:02PM from the who's-to-blame dept.

itwbennett (1594911) writes "Oracle is gearing up for a fight with officials in Oregon over its role developing an expensive health insurance exchange website that still isn't fully operational. In a letter obtained by the Oregonian newspaper this week, Oracle co-president Safra Catz said that Oregon officials have provided the public with a 'false narrative' concerning who is to blame for Cover Oregon's woes. In the letter, Catz pointed out that Oregon's decision to act as their own systems integrator on the project, using Oracle consultants on a time-and-materials basis, was 'criticized frequently by many'. And as far as Oracle is concerned, 'Cover Oregon lacked the skills, knowledge or ability to be successful as the systems integrator on an undertaking of this scope and complexity,' she added."

NASA Proposes "Water World" Theory For Origin of Life 115

Posted by samzenpus on Thursday April 17, 2014 @08:32PM from the from-the-water dept.

William Robinson (875390) writes "A new study from researchers at Nasa's Jet Propulsion Laboratory has proposed the "water world" theory as the answer to our evolution, which describes how electrical energy naturally produced at the sea floor might have given rise to life. While the scientists had already proposed this hypothesis called 'submarine alkaline hydrothermal emergence of life' the new report assembles decades of field, laboratory and theoretical research into a grand, unified picture."

In a Cloning First, Scientists Create Stem Cells From Adults 43

Posted by samzenpus on Thursday April 17, 2014 @07:51PM from the use-your-cells dept.

Trax3001BBS (2368736) writes in with news about a breakthrough in creating stem cells perfectly matched to a person's DNA. "...Lanza's group used caffeine to prevent the fused egg from dividing prematurely. Rather than leaving the egg with its newly introduced DNA for 30 minutes before activating the dividing stage, they let the eggs rest for about two hours. This gave the DNA enough time to acclimate to its new environment and interact with the egg's development factors, which erased each of the donor cell's existing history and reprogrammed it to act like a brand new cell in an embryo.'"

MIT Designs Tsunami Proof Floating Nuclear Reactor 218

Posted by samzenpus on Thursday April 17, 2014 @07:07PM from the riding-the-waves dept.

First time accepted submitter Amtrak (2430376) writes "MIT has created designs for a nuclear plant that would avoid the downfall of the Fukushima Daiichi plant. The new design calls for the nuclear plant to be placed on a floating platform modeled after the platforms used for offshore oil drilling. A floating platform several miles offshore, moored in about 100 meters of water, would be unaffected by the motions of a tsunami; earthquakes would have no direct effect at all. Meanwhile, the biggest issue that faces most nuclear plants under emergency conditions — overheating and potential meltdown, as happened at Fukushima, Chernobyl, and Three Mile Island — would be virtually impossible at sea."

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