27:19

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

1:08:11

Turning plastic gloves into hot sauce

33:45

Why It Was Almost Impossible to Make the Blue LED

39:02

Making glow toys from scratch

13:06

HUGE Magnet VS Copper Sphere - Defying Gravity- Will a Neodymium Magnet Float Inside?

30:03

Making uranium glass

18:06

How Many Marbles Does it Take to Charge My Phone?

53:20

Making purple gold