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.

No smoke, no mirrors, just sound was all scientists needed to levitate objects in midair. NPR reports that researchers at the University of Tokyo have discovered a new levitation technique through ...

Physicists at New York University have built a time crystal powered entirely by sound waves, and lab tests suggest the particles can interact in a way that appears to defy Newton’s third law in the ...