The film explores the nature of sound waves, demonstrating how sound travels as a wave through air, which acts as a medium. It illustrates sound generation using a loudspeaker, examines oscillation, ...

A strange form of matter called a time crystal has fascinated physicists for about a decade. These systems move in repeating cycles, even without a steady external push.

Sound is usually treated as the most familiar of physical phenomena, the background noise of daily life rather than a frontier of fundamental physics. Yet in laboratories around the world, carefully ...

WALTON, Ind. — As AC/DC's "Back in Black" thumped through a speaker in Andrew Berryman's classroom recently, physics students saw the notes come alive through flames. They were watching a Rubens' Tube ...