There's a statement of the 2nd law of thermodynamics, that forbids you from pass... | Hacker News

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		analog31 on Sept 5, 2017 \| parent \| context \| favorite \| on: Efficient Air-Conditioning Beams Heat into Space There's a statement of the 2nd law of thermodynamics, that forbids you from passively transferring heat from a cold body to a hot body.

kardos on Sept 5, 2017 [–]

Ah of course. So best case it can accelerate warming cold things to ambient temperature

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