Was Einstein right? Scientists provide first public peek at Gravity Probe B results
Apr 16, 2007 |
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For the past three years a satellite has circled the Earth, collecting data to determine whether two predictions of Albert Einstein's general theory of relativity are correct. Saturday, at the American Physical ...
A new way to test general relativity
Apr 16, 2007 |
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"Atom interferometry is an exciting field which has been awarded three Nobel prizes in the last decade," Savas Dimopoulos tells PhysOrg.com. “It is a new precision tool with a variety of applications.” Dimopoulos, a phys ...
Humans hot, sweaty, natural-born runners
Biology /
Apr 16, 2007 |
4.6 / 5 (206) |
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Hairless, clawless, and largely weaponless, ancient humans used the unlikely combination of sweatiness and relentlessness to gain the upper hand over their faster, stronger, generally more dangerous animal prey, Harvard Anthropology ...
Microsoft: Silverlight More than a Flash
Apr 16, 2007 |
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Microsoft gives a name to its Flash-killer technology. The technology formerly known as WPF/E is now known as Silverlight.
Engineers set new world record in generation of high-frequency submillimeter waves
Apr 16, 2007 |
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Researchers at the UCLA Henry Samueli School of Engineering and Applied Science have achieved a new world record in high-frequency submillimeter waves. The record-setting 324-gigahertz frequency was accomplished using a voltage-controlled ...
From beneath Antarctica's Ross Sea, scientists retrieve pristine record of the continent's climate cycles
Space & Earth / Earth Sciences
Apr 16, 2007 |
4.7 / 5 (57) |
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Frequent climate fluctuations on the world’s southernmost continent have been so extreme over the past 5 million years that Antarctica’s Ross Ice Shelf, a floating slab of ice the size of France, oscillated in size dramatically, ...
Skeleton Of Sun's Atmosphere Reveals Its True Nature
Apr 16, 2007 |
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The Sun's outer atmosphere or corona is incredibly complex, as shown in observations from space. It is also extremely hot, with a temperature of over a million degrees by comparison with that of the Sun's ...
Earth's dirty little secret: Slowly but surely we are skinning our planet
Space & Earth / Earth Sciences
Apr 16, 2007 |
4.4 / 5 (30) |
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Throughout history civilizations expanded as they sought new soil to feed their populations, then ultimately fell as they wore out or lost the dirt they depended upon. When that happened, people moved on to ...
Toshiba's breakthrough in SSRM technology will Improve Cutting-Edge LSI
Apr 16, 2007 |
4.4 / 5 (26) |
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Toshiba Corp. today announced that it has achieved a breakthrough in imaging electron-carrier paths and impurities in semiconductors that allows analysis at the 1-nanometer level for the first time. This major ...
Scientists Discover First Seafloor Vents on Ultraslow-Spreading Ridge
Space & Earth / Earth Sciences
Apr 16, 2007 |
4.4 / 5 (20) |
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Scientists have found one of the largest fields of seafloor vents gushing super-hot, mineral-rich fluids on a mid-ocean ridge that, until now, remained elusive to the ten-year hunt to find them.
No Solution to Cancer - Have Our Genes Evolved to Turn Against Us?
Apr 16, 2007 |
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Cancer is a natural consequence of human evolution. Our genes have not developed to give us long and happy lives. They are optimized to copy themselves into the next generation - irrespective of our personal ...
Race From Space: Suni Williams Runs Boston Marathon
Space & Earth / Space Exploration
Apr 16, 2007 |
3.6 / 5 (5) |
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Flight Engineer Suni Williams circled Earth at least twice, running as fast as eight mph but flying more than five miles each second, as she completed the Boston Marathon on a station treadmill. Her unofficial ...
Building the nuclear pore piece by piece
Biology /
Apr 16, 2007 |
4.5 / 5 (13) |
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The nuclear pore complexes are the sole gatekeepers for the cell’s nucleus — proteins, RNA, viruses, anything that passes between the nucleus and the rest of the cell has to use one of these giant protein ...
Book explores our ability to remember future intentions
Medicine & Health / Psychology & Psychiatry
Apr 16, 2007 |
3.9 / 5 (8) |
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If you left your kids at school; if you forgot a dentist appointment; if you came home without the bread you set out to buy — you're a victim of your own faulty prospective memory. Our brains store intentions ...
Earth's Magnetic Field - A Hazard For Lunar Astronauts?
Space & Earth / Space Exploration
Apr 16, 2007 |
4.6 / 5 (13) |
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For four days every month the Moon passes through the magnetic field of the Earth and parts of the lunar surface are charged with static electricity. Next week Dr Mike Hapgood of the Rutherford Appleton Laboratory ...
