19:06

Pulse Tube Cryocooler - Part 2 (-75C)

17:11

Pulse Tube Cryocooler (Part 4) - Valve Controlled

15:09

Electromagnetic Aircraft Launcher

14:25

4000 Watts hydrogen generator HHO

13:11

Automated Ethylene Production Plant

12:26

Magnetic Gears - Why Does Nobody Talk About This?

14:05

Joule-Thomson Cryocooler Part II (-153°C)

18:03

Submarine Kayak - Part 1