Gyroscopic Precession Demonstrations and Flying Saucer Fun
6:36
Gyroscopic Precession Demonstration
12:21
The Real Flying Saucer
8:47
OVNI Giroscopio
6:44
Is a Spinning Gyroscope Weightless?
13:50
Bicicleta eléctrica mecánica
13:06
HUGE Magnet VS Copper Sphere - Defying Gravity- Will a Neodymium Magnet Float Inside?
18:58
Construí el MEJOR MOTOR DE AIRE COMPRIMIDO (Nuevo Diseño Rotativo)
11:16