WiTricity takes a turn toward electric-car charging

SCOTT KIRSNER | INNOVATION ECONOMY, December 15, 2018

Count the number of power cords you encounter in a typical day. It might start with a coffeemaker in the morning and end well after dark, when you plug a smartphone in to recharge on the dresser. No doubt the answer cracks the double digits.

Count the number of power cords you encounter in a typical day. It might start with a coffeemaker in the morning and end well after dark, when you plug a smartphone in to recharge on the dresser. No doubt the answer cracks the double digits.

Eleven years ago, an MIT physics professor named Marin Soljačić demonstrated a technology with the potential to render cords obsolete. He and his colleagues sent power wirelessly from a transmitter to a 60-watt light bulb about 7 feet away, using specially tuned magnetic fields. They dubbed the technology WiTricity — like WiFi for electricity — and soon started a company to bring it to market.

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