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Quantum knowledge cools computers

June 1, 2011

From a laptop warming a knee to a supercomputer heating a room, the idea that computers generate heat is familiar to everyone. But theoretical physicists have discovered something astonishing: not only do computational processes sometimes generate no heat, under certain conditions they can even have a cooling effect. Behind this finding are fundamental considerations relating to knowledge and a lack of knowledge. The researchers publish their findings today in the journal Nature.

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http://esciencenews.com/articles/2011/06/01/quantum.knowledge.cools.computers

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