News of the WeekPhysics

Magnetic Fields Give Heat a Curious Sideways Shove

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Science  21 Oct 2005:
Vol. 310, Issue 5747, pp. 420
DOI: 10.1126/science.310.5747.420a

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Summary

A magnetic field can push heat sideways, skewing its path. The odd phenomenon mimics a piece of basic physics known as the "Hall effect," in which a magnetic field exerts a sideways force on flowing electric current. But researchers aren't sure how a magnetic field diverts heat.