39:02

Making glow toys from scratch

30:03

Making uranium glass

35:13

I built a QR code with my bare hands to see how it works

27:19

Taking the caffeine out of Red Bull so I can drink it at night

56:51

How Does Kodak Make Film? (Kodak Factory Tour Part 1 of 3) - Smarter Every Day 271

45:56

Turning paint thinner into cherry soda

29:57

Making a bismuth knife to undo an injustice

43:56

Making aerogel