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Stories
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226
Technology: Enthusiasts Convene To Say No To SQL, Hash Out New DB Breed on Thursday July 02, @05:56PM
ericatcw writes "The inaugural NoSQL meet-up in San Francisco during last month's Yahoo! Apache Hadoop Summit had a whiff of revolution about it, like a latter-day techie version of the American Patriots planning the Boston Tea Party.
Like the Patriots, who rebelled against Britain's heavy taxes, NoSQLers came to share how they had overthrown the tyranny of burdensome, expensive relational databases in favor of more efficient and cheaper ways of managing data, reports Computerworld."
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226 comments
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59
Hardware: First Fully Programmable Gesture-Recognition Glove, Cheap on Thursday July 02, @05:07PM
Posted
by
timothy
on Thursday July 02, @05:07PM
from the classroom-clickers-don't-capture-gestures-correctly dept.
from the classroom-clickers-don't-capture-gestures-correctly dept.
Al writes "The AcceleGlove from AnthroTronix, is the first fully programmable glove that records hand and finger movements. Other gloves — like 5DT's Data Glove, which is used primarily in virtual reality — normally cost $1,000 to $5,000, but the AcceleGlove costs just $499. The AcceleGlove comes with software that lets developers use Java to program it for any application they wish. AnthroTronix initially developed the glove with the US Department of Defense for robotic control but it could also be used in video games, sports training, or physical rehabilitation."
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59 comments
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97
Science: NASA Suggests Nano Robots To Explore Mars on Thursday July 02, @09:15AM
Posted
by
samzenpus
on Thursday July 02, @09:15AM
from the get-in-there dept.
from the get-in-there dept.
destinyland writes "'We're going to have to do extensive robotic exploration,' says the director of NASA's Ames Research Center, suggesting nanotechnology to build self-replicating robots on Mars. Genetically engineering extraction and construction microbes could 'grow' electrical components, and eventually convert carbon dioxide on Mars into oxygen. 'If we really want to settle Mars, and we don't want to have to carry millions of tons of equipment with us to duplicate the way we live on Earth, these technologies will be key.' This interview with Peter Worden, the director of NASA's Ames Research Center, was just featured in the summer issue of H+ magazine, and he also argues that robots will be necessary to first survey Mars for underground microbes and protect the unique Martian biosphere, since it may contain clues about earth's own first life forms. In fact, given the water and carbon that's been discovered on Mars, the possibility of underground microbes is still considered real, and Worden argues that Mars 'may already be supporting life.'"
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97 comments
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129
Hardware: Record-Breaking Solar Cells Tailored To Location on Wednesday July 01, @07:56PM
Posted
by
samzenpus
on Wednesday July 01, @07:56PM
from the new-and-improved dept.
from the new-and-improved dept.
Urchin writes "The quality of sunlight varies depending on where you live, but off-the-shelf solar cells are all identical. A new solar cell designed by UK firm Quantasol is easily tuned to adapt to the local light conditions, which boosts its long-term performance. Its short-term performance isn't bad though — the single junction solar cell has a peak efficiency greater than any previous device, beating a world record that's stood for 21 years."
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129 comments
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380
Hardware: What the US Can Learn From Europe's Pollution Credit System on Wednesday July 01, @04:11PM
Al writes "Technology Review discusses what a US carbon trading scheme could learn from the flawed European experience. Advocates of carbon-trading schemes like to point to Europe's cap-and-trade program as a model worthy of emulation, but the reality has been less than perfect. A glut of pollution credits, distributed without cost during both the first, transitional phase of the program and the current working phase, drove down the value of the EUAs. As a result, Europe's carbon dioxide emissions remain priced well below 20 euros per ton. With the price of pollution so low, economists say, industries that generate and consume energy have no incentives to change their habits; it is still cheaper to use fossil fuels than to switch to technologies that pollute less. Establishing a carbon price in the US system now, and tightening the system later, could send a dangerously wrong signal to financial markets looking to invest in new energy technologies."
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380 comments
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124
Technology: Flapping NAV Performs Controlled Hovering Flight on Wednesday July 01, @01:58PM
Posted
by
timothy
on Wednesday July 01, @01:58PM
from the ornithopters-are-just-hovering-in-the-wings dept.
from the ornithopters-are-just-hovering-in-the-wings dept.
An anonymous reader writes "AeroVironment, Inc. was awarded a Phase II contract extension in April from the Defense Advanced Research Projects Agency (DARPA) to design and build a flying prototype for the Nano Air Vehicle (NAV) program. As part of this program AV has accomplished a technical milestone never before achieved: the controlled hovering flight of an air vehicle system with two flapping wings (video) that carries its own energy source and uses only the flapping wings for propulsion and control. Two wings for propulsion and control, nothing else."
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124 comments
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80
Hardware: Jim Zemlin Pitches Linux App Stores For Telcos on Wednesday July 01, @10:52AM
Posted
by
Soulskill
on Wednesday July 01, @10:52AM
from the eventually-your-toaster-will-have-an-app-store dept.
from the eventually-your-toaster-will-have-an-app-store dept.
angry tapir writes "Mobile carriers may start giving away netbooks for free, and Linux-based application stores could help them profit by doing so, the Linux Foundation's Jim Zemlin argued at a recent forum in Beijing. 'Selling discounted netbooks to users who buy a mobile data subscription would extend a sales strategy widely used for mobile phones. Carriers often sell phones for below retail price and let a user's subscription fees make up for the loss. AT&T already sells subsidized 3G netbooks in the US, and China Mobile has announced similar plans. Carriers worldwide are likely considering the option, which lets them charge for added services like downloads of music, videos and software, said [analyst Jack Gold]. Those downloads could come from platforms like the iPhone App Store that target mainly mobile phones today. Competition could push netbook prices down as more carriers subsidize them, which would make putting Linux on the laptops an attractive way to cut costs, said Zemlin.'"
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80 comments
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101
Linux: EXT4, Btrfs, NILFS2 Performance Compared on Tuesday June 30, @12:07PM
Posted
by
timothy
on Tuesday June 30, @12:07PM
from the where-will-you-put-your-bits-next-year? dept.
from the where-will-you-put-your-bits-next-year? dept.
An anonymous reader writes "Phoronix has published Linux filesystem benchmarks comparing XFS, EXT3, EXT4, Btrfs and NILFS2 filesystems. This is the first time that the new EXT4 and Btrfs and NILFS2 filesystems have been directly compared when it comes to their disk performance though the results may surprise. For the most part, EXT4 came out on top."
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101 comments
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199
News: States Push Makers' Role In Disposing of Electronic Waste on Tuesday June 30, @11:02AM
AaronParsons writes "An interesting NY Times article describes currently available programs for post-consumer electronics. One of the many interesting points in the article is that electronics manufacturers should be held responsible for recycling their products post-consumer: 'Maybe since they have some responsibility for the cleanup, it will motivate them to think about how you design for the environment and the commodity value at the end of the life.'"
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199 comments
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71
Hardware: Comcast Bringing Metropolitan WiMAX To Subscribers on Tuesday June 30, @09:37AM
RickRussellTX writes "Comcast plans to offer 4 megabits/sec WiMAX services to customers in Portland, Oregon starting tomorrow. Branded as 'Comcast High-Speed 2go' and '4G,' the service will require a $44.99 per month subscription in addition to existing Comcast home service. For $69.99 they will offer a dual-mode card with access to both Comcast WiMAX and Sprint's national 3G wireless network. Future rollouts are planned for Chicago, Philadelphia, and Atlanta. Say what you will about Comcast (and I know many Slashdot readers have plenty to say about Comcast), this is a daring attempt to bypass entrenched cell phone companies with a direct-to-consumer wireless service."
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71 comments
Patageometry, n.:
The study of those mathematical properties that are invariant
under brain transplants.
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