Electrons love to zip around metals such as copper, especially if the metal is cooled to temperatures near absolute zero. But if they encounter a magnetic atom (say, iron) during their travels, the electrons will try to "screen," ...
Nanophysics
Mar 14, 2007
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The distribution of the four nucleotides along the DNA sequence encodes the genetic information in living systems. However, do nucleic acids possess other attributes that contribute to their biological functions? Recent work ...
Mar 14, 2007
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With hundreds of nanotechnology-enabled products already on the market and many more in the commercial pipeline, a new report by a former senior Environmental Protection Agency (EPA) official urges policymakers to give greater ...
Bio & Medicine
Mar 14, 2007
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Introduced predators such as foxes and cats are twice as deadly as native predators to Australia’s unique native animals, a new study has found.
Mar 14, 2007
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Future microscopic-sized machines assembled with micrometer or nanometer-scale parts will need to be made with devices that use tiny, agile "fingers" that can grip, lift and do the assembly work in a controlled, coordinated ...
Engineering
Mar 14, 2007
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A new research project begins soon which could be an important step in bringing the dream of photonic computers – devices run using light rather than electronics – onto the desktop. Physicists at the University of Bath ...
General Physics
Mar 14, 2007
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