It may seem straight out of "Star Trek," but it's real: Scientists have created a sonic "tractor beam" that can pull, push and pirouette objects that levitate in thin air.

Science News: German scientists have developed a real-life 'Harry Potter-style' portable invisibility cloak that can effectively shield small objects.

A new sonic tractor beam can push, pull and grab objects as they levitate in thin air by creating low-pressure regions using sound waves.

It may seem straight out of "Star Trek," but it's real: Scientists have created a sonic "tractor beam" that can pull, push and pirouette objects that levitate in thin air.

Scientists create real-life tractor beam 00:35. It may seem straight out of "Star Trek," but it's real: Scientists have created a sonic "tractor beam" that can pull, push and pirouette objects ...