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Scientists Have Learned To Charge Smartphones At A Distance

Researchers from the University of Washington have developed a completely new way of smartphones charging. With the help of an invisible laser, they learned how to charge mobile devices at a distance of up to 39 ft. But the main thing is that the efficiency of the new method isn’t inferior to charging using a cable.

Immediately it’s worth noting that the red rays on the title image were made only for a visual demonstration. In reality, it’s invisible and, as the developers assure, absolutely harmless. The created prototype is capable of producing 2 watts of power in an area of ​​15 square inches from a distance of up to 13 ft. If you modify it, then you can charge up to 39 ft, and the beam size will be wide enough to charge all the gadgets on the table at the same time.

Scientists Have Learned To Charge Smartphones At A Distance

In the created prototype, the developers located on the back of the smartphone a special panel that receives energy from the laser. There is also a metal radiator with a flat plate to dissipate heat from the laser. There is also a reflector that turns off the laser if the person is on its way.

Scientists Have Learned To Charge Smartphones At A Distance

Researchers say that when developing this system, they were focused on safety. They assure that their charging method is harmless, and it can be used for commercial purposes and at home.

At the moment the technology is still in development.