Delta Air Lines (DAL) stock is stumbling in Tuesday's pre-market trading after the airline operator reported fourth quarter ...

A perpetual motion machine operates in a continual repetitive motion, indefinitely; without someone providing an energy source. Considering this concept, imagine a business operating with little to no ...

A wheel weighted with swinging mallets. A cylinder rotating in a sealed, water-filled container. A siphon that transfers liquid back and forth in a seemingly endless loop. These may sound like the ...

With Steorn's track record, you'd think that the company wouldn't be in such a hurry to put its "free energy" technology under a microscope. Then again, maybe once it has your €399 (roughly $550) your ...

A wheel weighted with swinging mallets. A cylinder rotating in a sealed, water-filled container. A siphon that transfers liquid back in forth in a seemingly endless loop. These may sound like the ...