Whistling Helium: Supercold Sound May Lead to Better GPS in Submarines (SPACE.com)

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Whistling Helium: Supercold Sound May Lead to Better GPS in Submarines (SPACE.com)

SPACE.com - Researchers working with a type of super-cooled helium have made the frigid stuff whistle, an attribute they say might make it the crux of better global positioning systems (GPS) in submarines and airplanes among other things.

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