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.

In laboratories from Brazil to Munich, researchers are learning to grab matter with sound alone, sculpting ultrasonic waves into invisible “hands” that can lift, push, and rotate objects without a ...

The Consumer Electronics Show (CES) started this week and has been dominating the news with revelations of gadgets that are exactly as irrelevant to you as they were last year and the year before and ...