29:08

How the gas mantle made lamps 10X brighter

23:09

Pourquoi le fer médiéval ne rouille jamais alors que le vôtre meurt en 2 ans

41:27

I was right about dishwasher pods, and now I can prove it

30:48

Pressure lamps: gaslighting on the go

9:16

LED replacement bulbs for cars are bad and you shouldn't use them.