Ah, lasers. Those wonderful, super intense beams of light that we’ve seen used in headlights , projectors , and naturally, death rays . Like us, researchers at the Niels Bohr Institute at the University of Copenhagen figure there’s nothing lasers can’t do, and have figured out a way to use them to cool a bit of semiconducting material

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Researchers use lasers to supercool semiconductor membranes, blow your mind









