27:05

Extracting Cadmium from a NiCd Battery

14:38

My PhD Thesis is Due. We’re making ice cream

30:03

Silver Cell Harvest Hand Poured Silver Bar

28:38

Extracting Calcium from Bones

23:40

Can MORE Dangerous Saw Blades Cut Wood?

18:14

I found some toxic old insecticides

14:01

I Turned Iron Pyrite into PURE GOLD

35:06

Let’s make TeO2 glass with bright fluorescence