Alpha radiation makes sparks, detects smoke, and eliminates static cling
20:13
Drawing on a plasma display with a laser pointer
24:20
Drill through anything (conductive) with Electrical Discharge Machining
19:28
Radioactive Cores from Industrial Smoke Detectors
26:36
Silver nanoprisms grown into structural colors by high power LEDs
11:40
How Much Radiation Was I Exposed Too
22:48
Demo and teardown of an X-ray fluorescence gun (measures chemical composition)
15:55
Can an 18th Century Battery Charge Your Phone?
11:43