A group of researchers has discovered a way to laser a whispered message directly into the other person’s ear. The MIT team used a laser beam to transmit sounds at as low as 60 decibels to the person standing 2.5m away. For the study, the researchers relied upon the photoacoustic effect, in which water vapor in the air absorbs […]
The post This Laser Can Send Super Secret Messages Directly To Your Friend’s Ear appeared first on Fossbytes.
This Laser Can Send Super Secret Messages Directly To Your Friend’s Ear
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