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Wireless charger can power 40 mobile phones at once from 15 feet away

A team at the Korea Advanced Institute of Science and Technology has already used the system to power equipment at a nuclear power plant.

By now, most people have seen a wireless charger. It probably looked like a pad that charges mobile devices set directly on top of it. But a future generation of wireless chargers will be capable of providing power across a room without users ever having to set their device down or plug it in.

A team at the Korea Advanced Institute of Science and Technology recently demonstrated a new option for wireless charging: a nine-foot-long box packed with coils that can deliver power to up to 15 feet away with a magnetic field. The team debuted the system last week and in March used it to power equipment at a nuclear power plant.

DCRS is not the first approach to long-distance wireless charging. Cota, a wireless power platform set to be commercially available next year, can charge devices from nearly 30 feet away. But even at the prototype phase, DCRS can already pack a lot of power. It can charge up to 40 mobile devices at once and larger devices like TVs
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