Extracting the blue dye in jeans
20:17
Making the dye in jeans edible
16:33
Making indigo and dyeing jeans blue
27:06
Trump & Tariffs: Last Week Tonight with John Oliver (HBO)
33:45
Por Que Era Quase Impossível Criar o LED Azul
27:19
Tirando a cafeína do Red Bull para que eu possa tomá-lo à noite
7:36
Death to Nickels
19:43
Making color changing plastic
14:34