Most powerful diode Laser OVERDRIVEN! Nanosecond Laser!
20:20
Little Junk Laser is a MEGAWATT Beast!
30:00
I tried to make a camera sensor
13:36
INSIDE A LASER! An Open Cavity Helium-Neon Laser!
33:52
Open Source 8.5 Digit Voltmeter from CERN: Build and Test
23:05
This Should Be Impossible...
27:46
Laser diode self-mixing: Range-finding and sub-micron vibration measurement
34:54
I Saved an Electron Microscope from the Trash
8:55