Sending Sound on a Laser! - The Science of Telecommunication with Mr. G - Part 3
7:00
Fast Hacks #6 - Laser Spy Microphone
14:41
LASER Headlamp for Cars?!? How strong is its laser? | Find out how it works and how to power it up
18:57
Breaking Into a Smart Home With A Laser - Smarter Every Day 229
11:26
Testing My Speech Jammer In Public
13:54
DIY Ultrasonic Audio Laser (Directional Speaker)
9:56
Laser + mirror + sound
3:20
The Laser Eavesdropper - Christmas Lectures with RV Jones
16:16