19:01

I Built an Internal Cycloidal Robotic Actuator

30:09

I made a precision gearbox - with NO GEARS.

27:21

Treadmill vs. Real Hill: Which is harder to run

26:31

The 3D printer with no belts: The Peopoly Magneto X uses closed-loop linear motors!

47:13

The Unsolved Mystery of Impact Flashes - Smarter Every Day 307

30:02

Amazing Inventions That Are On Insane Level of Genius | Best of Trending Machine !

28:57

I let people control this robot

18:58

I built a FLAP ENGINE (New Rotary Design)