Antigravity

For decades, eyewitnesses have recorded on film and video, flying saucers, or objects believed to be alien spacecraft. While the

The fantastic floating device called a lifter has no moving parts, no onboard fuel, and no shortage of wide-eyed admirers.

By Laura Vitto on January 2nd, 2014 on mashable.com Acoustic levitation, a method of using sound waves to suspend small particles,

By MacGregor Campbell on October 20th, 2011 on newscientist.com Surely if flying saucers existed, they would float around like the disc

By Brian Handwerk on November 11th, 2005 on news.nationalgeographic.com A perpetual-motion machine may defy the laws of physics, but an Indiana