High-speed trains consume 29% less energy than conventional trains per passenger transported, and reduce CO2 emissions by the same proportion. These are the conclusions of a study by the Spanish Railways Foundation published ...
Environment
Dec 14, 2010
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Sea level is rising, and California's coastal communities will need to prepare for the gradual inundation of low-lying areas, as well as increased erosion rates and damage from storms. Gary Griggs, professor of Earth and ...
Environment
Dec 14, 2010
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A Sumatran rainforest named a global priority for tigers and home to a unique orangutan rescue project is targeted for clearcutting by one of the world's largest paper suppliers.
Environment
Dec 14, 2010
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In an exciting example of international collaboration, a Qatar astronomer teamed with scientists at the Harvard-Smithsonian Center for Astrophysics (CfA) and other institutions to discover a new alien world. This "hot Jupiter," ...
Astronomy
Dec 14, 2010
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Gloves to help relieve arthritic pain and battery-operated shoes to keep feet warm and stimulated are examples of high-tech products that students designed this semester to help the elderly and people with disabilities to ...
Engineering
Dec 14, 2010
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The manufacturing of semiconductor wafers used in all types of electronics involves etching small features onto a wafer with lasers, a process that is ultimately limited by the wavelength of the light itself. The semiconductor ...
General Physics
Dec 14, 2010
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Moving a step closer toward quantum computing, a research team in the Netherlands recently fabricated a photodetector based on a single nanowire, in which the active element is a single quantum dot with a volume of a mere ...
Nanophysics
Dec 14, 2010
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The latest smartphones are equipped with a range of technologies that can pinpoint your location. It's only a matter of time before they'll also be able to detect your every movement, says Reetika Gupta, assistant professor ...
Telecom
Dec 14, 2010
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Australians who took part in attacks that brought down the websites of firms refusing to transfer payments to WikiLeaks may find themselves in breach of the law, a University of Sydney cyber-security expert says.
Internet
Dec 14, 2010
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Seagate today introduced Constellation.2, the industry's first 2.5-inch enterprise-class hard drive to reach a record 1TB capacity. The Constellation.2 drive is designed for server storage applications and offers a solid ...
Hardware
Dec 14, 2010
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