February 24, 2005
IBM throws weight behind multi-OS push | CNET News.com
IBM has quietly added a new option to the suddenly vogue market for "hypervisor" software that lets a computer run multiple operating systems simultaneously, CNET News.com has learned.
But Big Blue's efforts aren't likely to squash a potential rival just flexing its muscles.
IBM has released source code for its Research Hypervisor, or rHype, on its Web site, letting anyone examine the approach of a company renowned for its expertise in the field. One distinguishing feature: rHype works with multiple processor varieties, including IBM's Power family, widely used x86 chips such as Intel's Xeon, and the new Cell microprocessor codeveloped by IBM, Sony and Toshiba.
Full Story at CNET News.com
Nintendo Revolution???
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February 23, 2005
Big Xbox Replacement Cord
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February 22, 2005
Star Wars Episode 3 Screenshots - Has Been Removed
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Landspeeder built out of modded Harley on eBay
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Brainbar fix me a (What am I thinking)?
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Xbox 360 News
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Talk to Your TV
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iPod Upgrades on Wednesday?
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February 21, 2005
Moon measurements might explain away dark energy
Plans to trace the Moon's orbit with extraordinary new accuracy could reveal kinks in Einstein's theory of gravity and help explain the mysterious accelerating expansion of the universe, says a US researcher.
The acceleration cannot be explained by known forces in the Universe. To account for the behaviour, cosmologists have introduced the concept of a new, as yet unseen, force - dark energy.
But Gia Dvali, of New York University, US, believes there could be another explanation. He thinks the accelerating expansion might be caused by unexpected properties of gravity, which are only seen over very large distances. Taking inspiration from string theory, which proposes the existence of several extra dimensions, Dvali, and NYU colleagues Gregory Gabadadze and Massimo Porrati, suggests that gravity may leak into an extra dimension on this large scale.
"The accelerated universe can be a window of opportunity for understanding the most fundamental aspects of gravitation, and may signal the modification of standard laws of gravity at very large distances," Dvali told an audience at the American Association for the Advancement of Science meeting in Washington, DC, US.
Millimetre accuracy
The scheme to measure the Moon's orbit involves firing a laser beam at mirrors left on the surface by the Apollo 11 astronauts and measuring the time it takes for photons to return. This makes it possible to trace the lunar orbit and, so far, astronomers have used the technique to track it with an accuracy of a few centimetres.
Now, Tom Murphy, Chris Stubbs and Eric Adelberger at the University of Washington in Seattle, US, plan to use more precise laser equipment to measure the Moon's path to just a few millimetres. At this scale, Dvali's theory predicts that subtle deviations in the Moon's orbit ought to show up.
"If you mess around with gravity, orbits are one of the first things to go," agrees Licia Verde, a theoretical physicist at the University of Pennsylvania, US. The new experiments have yet to get funding but could take place within the next couple of years.
"One way or another it would be a fantastic result," adds Sean Carroll, at the University of Chicago, US. But he also warns that there could be other explanations for any deviations in the Moon's path.
[New Scientist]
Human Skin as a Network Conduit?
NTT's Red Tacton has created a "human area network" that uses electrical signals present on the surface of the body to create a network with the human body. Imagine an mp3 player sending audio to your ears by using your skin as the network. Imagine transmitting security systems that can ID and track you based on conductive surfaces. This is getting kinda scary...
[Red Tacton]
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