Goodbye wires... MIT experimentally demonstrates wireless power transfer

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Wireless power transfer over two-meter distance from the coil on the left to the coil on the right where it powers a 60W light bulb. Members of the team that performed the experiment are obstructing the direct line of sight between the coils front ro ...
Wireless power transfer over two-meter distance, from the coil on the left to the coil on the right, where it powers a 60W light bulb. Members of the team that performed the experiment are obstructing the direct line of sight between the coils; front row: Peter Fisher (left) and Robert Moffatt; second row: Marin Soljacic; third row: Andre Kurs (left), John Joannopoulos and Aristeidis Karalis. Photo / Aristeidis Karalis

Imagine a future in which wireless power transfer is feasible: cell phones, household robots, mp3 players, laptop computers and other portable electronics capable of charging themselves without ever being plugged in, freeing us from that final, ubiquitous power wire. Some of these devices might not even need their bulky batteries to operate.


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