Acoustic streaming generated by airborne ultrasonic phased arrays plays a critical role in the performance of advanced ultrasonic technologies, including midair haptic feedback, odor delivery, and ...

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 ...

Ancient civilizations moved stones weighing hundreds of tons without cranes, pulleys, or modern machines. One theory? They used sound. And shockingly, science now shows acoustic levitation is real — ...