News tagged with polar vortex

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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Is global warming causing harsher winters?

Millions of people in northern Europe are still battling snow and ice, wondering why they are being punished with bitter cold when—officially—spring has arrived and Earth is in the grip of global warming.

dateMar 28, 2013 in Environment
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Using chaos to model geophysical phenomena

Geophysical phenomena such as the dynamics of the atmosphere and ocean circulation are typically modeled mathematically by tracking the motion of air or water particles. These mathematical models define velocity fields that, ...

dateDec 07, 2010 in General Physics
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