I Built an Atmosphere Powered Battery..
13:18
How a Sand Battery Could Revolutionize Home Energy Storage
20:02
Stealing Energy From Radio towers Using Plasma (ft. Geerling Engineering)
13:50
Vélo électrique mécanique
18:06
Can You Charge A Phone with Marbles?
17:11
Building a HIGH SPEED Rocket Plane
27:55
J'ai construit un vélo à billes omnidirectionnel
17:08
Storing Solar Power on my ROOF!!!
13:42