Pew Pew! Scientists Build Lasers Out of Sound, Call Them Phasers

Using a nanoscale drum, scientists have built a laser that uses sound waves instead of light like a conventional laser. Because laser is an acronym for “light amplification by stimulated emission of radiation,” these new contraptions – which exploit particles ...

Source: http://www.wired.com/wiredscience/2013/03/sound-lasers-phasers/

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