Calls are mounting in Serbia for an independent investigation into reports that security forces used a sonic weapon on crowd ...

Ultrasonic levitation — the practice of creating a standing wave between two ultrasonic sources and positioning lightweight objects such that they can float in the pressure minimums between them ...

Police and Government deny they used sound cannon — a.k.a. sonic weapons — against Belgrade protesters. How would you know you had been hit?

"I just got word this morning," Gordon said. "It was one of our aircraft on a test flight." The public is not ...

We've tested everything from elite Dolby Atmos soundbars to cheap and simple TV sound upgrades, and these are the best. One of the best soundbars is essential if you’ve invested in a big TV and ...