A pile of sand, gravel, or other granular material takes on a familiar conical shape, with the slope of the pile's walls coming to rest at the static angle of repose. If the material exceeds this angle, it will trigger an ...
Space Exploration
Dec 22, 2011
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(PhysOrg.com) -- Pigeons are on par with primates in their numerical abilities, according to new University of Otago research appearing in the leading international journal Science.
Plants & Animals
Dec 22, 2011
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(PhysOrg.com) -- No team of reindeer, but radio signals flying clear across the solar system from NASA’s Cassini spacecraft have delivered a holiday package of glorious images. The pictures, from Cassini’s imaging ...
Space Exploration
Dec 22, 2011
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Netflix CEO Reed Hastings will pay a $1.5 million penalty for blunders that alienated the video subscription service's customers and pulverized its stock.
Business
Dec 22, 2011
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(PhysOrg.com) -- Researchers have created a new type of optical device small enough to fit millions on a computer chip that could lead to faster, more powerful information processing and supercomputers.
Optics & Photonics
Dec 22, 2011
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Coral reefs are extremely diverse ecosystems that support enormous biodiversity. But they are at risk. Carbon dioxide emissions are acidifying the ocean, threatening reefs and other marine organisms. New research led by Carnegie's ...
Earth Sciences
Dec 22, 2011
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The same principle that causes figure skaters to spin faster as they draw their arms into their bodies has now been used by Michigan State University researchers to understand how molecules move energy around following the ...
Materials Science
Dec 22, 2011
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Creating semiconductor structures for high-end optoelectronic devices just got easier, thanks to University of Illinois researchers.
Nanophysics
Dec 22, 2011
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India's telecom ministry told mobile phone operators on Thursday that they must scrap "illegal" mutual roaming agreements allowing them to provide seamless nationwide 3G services.
Telecom
Dec 22, 2011
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Cold Spring Harbor Laboratory's DNA Learning Center (DNALC) has been awarded the Science Prize for Online Resources in Education (SPORE) for its creation of a science education portal at www.dnalc.org that attracts more than ...
Other
Dec 22, 2011
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