Sound transfer... BY LASER : DIY Experiments #3 LASER light music wireless
12:12
Wireless power transfer - DIY Experiments #10 - Resonant inductive coupling
18:57
Breaking Into a Smart Home With A Laser - Smarter Every Day 229
9:56
Laser + mirror + sound
26:47
Bell Labs' Henry Feinberg Demonstrates Ways of Using Light to Transmit Sound Waves, 1978
20:13
Drawing on a plasma display with a laser pointer
30:38
Build Your Own Phased Array Beamformer
9:05
Bike generator - DIY Experiments #11 - All about human power
8:35