This cell phone doesn't have a battery and never needs to be charged
Researchers at the University of Washington have created a cell phone that uses so little power, it never needs to charge and doesn't have a battery. Instead, it pulls power from ambient light and radio waves.
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This cell phone doesn't have a battery and never needs to be charged
![This cell phone doesn't have a battery and never needs to be charged]()
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Thursday, July 13, 2017
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