Gravity Powered Escapement Wheel.... Simple machine lesson
6:30
Gravity powered Escapement Wheel Part 2, Construction
27:06
Making the World's Smallest Beam Stirling Engine
23:05
World's Strongest Magnet!
17:14
Building a Giant 3D printer to 3D print myself
9:17
Upside down water glass trick.. IMPROVING A GREAT DEMONSTRATION
19:19
We should use this amazing mechanism that's inside a grasshopper leg
15:53
How Levers, Pulleys and Gears Work
27:20