New technology being developed by the MIT’s Lincoln Laboratory uses laser light to excite moisture in the air surrounding a target’s ear, causing it to quietly whisper a personal message from several metres away.

“Our system can be used from some distance away to beam information directly to someone’s ear,” says MIT team leader and physicist Charles M. Wynn.

You probably don’t need us to count off potential applications for such a device, which range from military applications to targeted advertising.

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