Good UV versus bad UV. All available on eBay.
16:52
Fake UV disinfection lamp from eBay.
7:55
Inside a crane claw, and how the crane plays YOU
3:19
UV effects on bacteria time-lapse
9:45
UV Light - Demos & Experiments - AAPT Films
29:57
¡Manos ociosas y un Tormek!
15:45
More fake UVC "sterilizing" lamps from China! (with schematic)
13:11
Exploring an Anker power bank
23:53