Tractor beams have hit the big time. A newly constructed device generates a beam of concentrated sound that, for the first time, exerts a continuous, perceptible tug on objects large enough to see.

Researchers have come up with a new and improved way to levitate objects using sound waves alone, an impressive feat of mixed-reality technology that could pave the way for some seriously futuristic ...

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. The sonic tractor beam ...

An artist's rendering shows an acoustic hologram trapping a particle over a levitation device. Courtesy Asier Marzo, Bruce Drinkwater and Sriram Subramanian It's no Mattel hoverboard. But a device ...

Acoustic levitation is some day going to be used to brush the dust off machinery on Mars. Learn why sound can lift objects off the ground and see an acoustic levitation chamber in action. “Sticks and ...

A metamaterial is a composite material that exhibits unique properties due to its structure, and now researchers have used one featuring a small sawtooth pattern on its surface to move and position ...