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- Using a laser to wirelessly charge a smartphone safely across a room https://phys.org/news/2018-02-laser-wirelessly-smartphone-safely-room.html 57 comments
- Engineers have, for the first time, come up with a way to safely charge a smartphone wirelessly using a laser. A narrow, invisible beam from a laser emitter can deliver charge to a smartphone sitting across a room—and potentially charge the phone’s battery as quickly as a standard USB cable. https://www.futurity.org/laser-wireless-power-smartphones-1684502/ 13 comments science