"Antigravity" Method 4 of 15,Tornado Ion Vortex, Electro-Hydro-Dynamic-Thruster-(EHD), Group IC

From: John Iwaszko

Added: 17 years ago · 6:34 · 480p

GROUP I ELECTROSTATIC Tornado-Vortex drive propulsion Filmed 1991-1996 4.0 of 15 methods of levitating an object known ...