Dutch inventor Janjaap Ruijssenaars has built a gravity energy generator that harnesses the force of gravity to produce a new kind of renewable energy. Matthew Stock reports.

Researchers pointed out that the system consists of a motor-generator unit, hoisting ropes, transmission gears, and a heavy ...

American Antigravity interviewed Eugene Podkletnov to discuss recent (2004 to 2013) experimental antigravity research in gravity modification and superconductors. For nearly two decades Dr. Podkletnov ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. Star ...