13:42

This Car Travels Farther Than You Push It

17:57

Gearless Magnet Bike

16:30

Designing A Self Propelling Ionic Thrust Wing

18:49

I've Made a Powerful COILGUN | Separate Stages PCB

10:13

mowing a Lawn like it's the year 3000

13:06

HUGE Magnet VS Copper Sphere - Defying Gravity- Will a Neodymium Magnet Float Inside?

24:08

Testing 8 Innovative New Boat Propeller Designs

14:41

How 3 Phase Power works: why 3 phases?