Making Liquid Methane (and blowing up my Cryocooler)
14:04
Making Liquid Nitrogen with my Homemade Cryocooler
19:48
Why Are Cooling Towers Shaped Like That?
15:09
Dry Ice from Sea Shells
30:00
I tried to make a camera sensor
13:31
Making Copper Parts from Algaecide
15:13
Seeing Radiation with the Naked Eye
17:31
Turning Grass into Gasoline: Green Fuel Revolution
14:05