University of Washington Researchers Can Wirelessly Charge a Phone Using Lasers
Having to plug your phone in every night probably bums you out. Near-field wireless chargers like the ones Samsung sells are cool, but short-range. Like, the phone has to be sitting on the plate, at which point, you could just plug it in. And while some science is out there that says devices might be able to harvest electricity from ambient Wi-Fi, that just doesn't provide enough power.
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