05-08-2020, 06:48 PM
https://www.ll.mit.edu/news/laser-can-de...cross-room
"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."
"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."