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uBeam's Wireless Technology Aims to Kill the Power Cord

This story appears in the September 2015 issue of Entrepreneur. Subscribe »

If uBeam has its way, dead batteries and charging cords will soon be a quaint memory, much like rotary dial telephones. The -based company has developed that transmits ultrasonic waves (at a register well beyond what's audible) that are translated by devices as a microscopic quiver; this vibration is converted back into an electrical charge to power anything with a , no wires or wall plugs required.


Meredith Perry, who began tinkering with charging as a paleobiology undergrad at the University of Pennsylvania, started the company in 2011. "Just think of my grandpa, who could have his pacemaker powered remotely, or my other grandpa, who can't hear if he forgets to change his hearing-aid battery," she notes of the technology's broad potential.

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