Sound Powered LEDs Could Lead To Christmas Lights Powered By Family Fights [Video]

Using a regular speaker blasting out a narrow beam of sound, researchers have developed an LED that can actually be powered by nothing but audio. Providing a new way to deliver wireless power to devices from greater distances. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/IC5gLCCL4OQ/sound-powered-leds-could-lead-to-christmas-lights-powered-by-family-fights

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