How Did a Laser Cool This Semiconductor To Almost Absolute Zero? [Science]

It's completely counterintuitive, but scientists at the Niels Bohr Institute have succeeded in cooling a semiconductor membrane to ?452.2?F, almost seven degrees above absolute zero, using a powerful laser we usually think of as only being able to burn. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/rNBNOgIq13M/how-did-a-laser-cool-this-semiconductor-to-almost-absolute-zero

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