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 ...

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 ...

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

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

LOS ANGELES (AP) — With eyes closed and a small mallet in hand, the Rev. Kyohei Mikawa gently struck the bronze Himalayan ...

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 ...

SAN DIEGO -- The early universe rang with the sound of countless cosmic bells, which filled the primordial darkness with ripples like the surface of a pond pounded by stones. The wave fronts later ...