Fazendo um trampolim atômico
29:42
Making pop rocks from scratch (is complicated)
34:10
Making a deadly chemical in my parents' garage
23:11
Herramientas de herrería de Amazon
33:45
Why It Was Almost Impossible to Make the Blue LED
42:58
I Explored the World's First Nuclear Power Plant (and How It Works) - Smarter Every Day 306
27:41
ENERGÍA OSCURA: Todas las Cosas que Podría Ser
1:08:11
Convertir guantes de plástico en salsa picante
52:57