33:45

Por Que Era Quase Impossível Criar o LED Azul

25:56

How a Jet Airliner Works

25:28

Homem Passa 100 Dias Construindo Cabana De Madeira Em Ilha Vulcânica | Do Início Ao Fim @WildGnomos

13:31

Can We Solve the Air Conditioning Paradox?

14:21

Forget Heat Pumps - This House Cools Itself With NO Electricity!

27:21

Der Windturmbauer von Yazd | Der Letzte seines Standes

58:49

The Historic Technology Needed To Build A Medieval Castle | Secrets Of The Castle

48:15

ANGRY neighbor CONFRONTS me and CALLS the COPS while cleaning a yard