Heat is not supposed to behave like this. In everyday life, warmth seeps and diffuses, spreading from hot to cold in a slow, smearing process that never looks anything like a crisp sound wave. Yet ...

This new high-tech system puts out fires using sound waves. The revolutionary technology could help protect homes in high ...

Sound is usually treated as the most familiar of physical phenomena, the background noise of daily life rather than a ...

Cancer is one of the leading causes of death in the U.S., second only to heart disease. But a new cancer treatment method ...

Helium leaks are hard to detect, since it is odorless, colorless, tasteless, and does not react with other chemical ...

A research team at City University of Hong Kong (CityU) has discovered a new type of sound wave: the airborne sound wave vibrates transversely and carries both rotation and orbital angular momentum ...

Sound needs a medium (solid, liquid, or gas) to travel. Space is a vacuum, lacking the matter to carry sound waves. No sound in space means no echoes. While a near-perfect vacuum, some sounds can be ...

Determining the "loudest recorded sound" depends on how you define sound and on which measurements you choose to include.

A sound wave is a vibration that travels through a solid, liquid or gas such as the air or water. A loud sound has a large amplitude, a high pitched sound has a high frequency. Musicians and ...