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 ...

This opens up the possibility of using an acoustic wave generator to generate sound waves tuned to a particular size and frequency that would enhance (or equally suppress) surface waves.

The burst of air is as inevitable as a crashing wave. But with conscious ... meaning they vibrate to produce sound — and are the basis for our voice. A loud sneeze engages the same vocal process ...

The band recorded its first album in 1976 and by the following year was touring with such icons as Iggy Pop and David Bowie.

Or jackhammer, or chain saw loud. That’s what the Globe discovered at several of the T’s most infamously noisy sections, with help from a sound level meter that measured the decibel output of ...