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Defying Logic, Lasers Used to Refrigerate Water

Lasers aren’t normally associated with cold temperatures, but a team of researchers says it has been able to cool liquids using the focused light beams. Writing in the Proceedings of the National Academy of Sciences, researchers from the University of Washington (UW) say they used an infrared laser to cool water by about 36 degrees Fahrenheit. “Typically, when you go to the movies and see Star Wars laser blasters, they heat things up. This is the first example of a laser beam that will...

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