Ingenious hybrid lamp sold in a MINDLESS way...
9:30
Desert Sun Lamps! | My least healthy lights yet?
14:49
Stacking 5 Peltier Modules, and Reached -90℃
9:58
Hidden Hazards of Halogen Lamps
16:13
Duracell PowerCheck: A genius idea which didn't last that long
14:01
Upgrading Fiber Optic Lamps to LASER Brightness!
16:33
The "Impossible Torpedo" was real
17:35
Inside a new Philips ultra-efficient LED lamp (with schematic)
34:54