Why Do LED Bulbs Fail? An Autopsy!

32:20
WTF is a Turbomolecular Vacuum Pump? Disassembly, Discovery, & DESTRUCTION!

9:07
How to DISASSEMBLE and REPAIR an LED lamp WITHOUT A SOLDERING IRON Do-it-yourself LED lamp repair

20:46
Finally! A Battery That’s Better Than Energizer and Duracell!

27:44
Soviet Multimeter VS. the BEST of the WEST: Tear down & Smack Down!

25:48
What the Crookes Radiometer can teach us

14:41
LASER Headlamp for Cars?!? How strong is its laser? | Find out how it works and how to power it up

12:32
How Japan Made Their Outlet Safe

16:13