ScienceAlert: MIT Has Invented Slightly Eerie Lasers That Transmit Whispers Only You Can Hear

[jim bell]

ScienceAlert: MIT Has Invented Slightly Eerie Lasers That Transmit Whispers 
Only You Can Hear.
https://www.sciencealert.com/new-tech-from-mit-uses-lasers-to-beam-whispers-only-you-can-hear