Archive: 8/04/2009

Magnetic Vortex Switch Leads to Electric Pulse

( -- Researchers at the University of Arkansas have shown that changing the chirality, or direction of spin, of a nanoscale magnetic vortex creates an electric pulse, suggesting that such a pulse might be of use ...

dateApr 08, 2009 in General Physics
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Mountain Lion! Stand or Run?

( -- A new UC Davis study of 110 years of mountain-lion attacks on people suggests the conventional wisdom of standing your ground may not always be the right course.

dateApr 08, 2009 in Plants & Animals
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