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Tiny wireless light kept aloft with ultrasonic waves

Friday, February 23, 2018 - 01:14

Researchers use ultrasonic waves to keep a tiny LED floating in mid air while powering it wirelessly through induction. Stuart McDill reports.

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Researchers use ultrasonic waves to keep a tiny LED floating in mid air while powering it wirelessly through induction. Stuart McDill reports.

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Tiny wireless light kept aloft with ultrasonic waves

Friday, February 23, 2018 - 01:14