Researchers in Tokyo have put a new twist on the use of sound to suspend objects in air. They've used ultrasonic standing waves to trap pieces of wood, metal, and water – and even move them around.

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields 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 ...

Using sound to get objects to float works well if a single particle is levitated but it causes multiple particles to collapse into a clump in mid-air. Physicists at the Institute of Science and ...

PROVIDENCE — CEO Kim Gavin’s company, BLUEiQ, specializes in what’s called underwater sensing, using sound to study marine life, map the sea floor, or identify underwater objects or vehicles. Gavin ...