Fazendo cubos de gelo gigantes na minha garagem
27:01
Machine à fil explosif de 4 000 joules
14:04
Making Liquid Nitrogen with my Homemade Cryocooler
21:48
J'ai construit le wagon le plus rapide du monde (RECORD DU MONDE)
20:05
Full Build Of Rocket Mass Heater Uses 90% Less Wood
15:13
Seeing Radiation with the Naked Eye
17:01
Arrosez votre jardin GRATUITEMENT !!!
35:46
What Happened to the World's Largest Tube TV?
31:23