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Electronic Nuisance Changes Its Ways

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Science  17 Nov 2006:
Vol. 314, Issue 5802, pp. 1065-1067
DOI: 10.1126/science.314.5802.1065a

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On page 1121 of this issue of Science, researchers report the first-ever set of simple devices, akin to diodes, that steer a small excess of phonons in one direction. If the effect can be improved, it could lead to a novel form of computation based on phonons and to heat-steering materials that make buildings more energy-efficient, among other things. (Read more.)