Duke University : "Wireless device converts « lost » energy into electric power | Inventer le monde | Scoop.it

Karyn Hede : "Using inexpensive materials configured and tuned to capture microwave signals, researchers at Duke University’s Pratt School of Engineering have designed a power-harvesting device with efficiency similar to that of modern solar panels. The device wirelessly converts the microwave signal to direct current voltage capable of recharging a cell phone battery or other small electronic device…

 

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Steven Cummer Group/Duke : http://bit.ly/1aeSshx