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

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

Gizmodo

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 »

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