12:29

Making fuming nitric acid

15:09

Extracting urea from my own pee

11:52

Acoustic cameras can SEE sound

37:51

Fabriquer des cristaux métalliques à partir de Pepto-Bismol

16:20

Extracting the citric acid from lemons

13:06

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

14:37

J'ai fait pousser des plantes plus rapidement grâce au plasma

9:25

Do not throw away unnecessary plastic bottles! Believe me, they will still be useful to you!