It has been almost 100 years since the resonator guitar was born of necessity. In the days before amplification, musicians needed a way to make their acoustic guitars louder, and the striking ...

Hot rods are known, among other things, for their loud exhaust systems. It would seem to the disinterested observer that the only thing at issue is how loud a car's exhaust system is, and to that ...

Hand clapping is ubiquitous behavior for humans across time and cultures, serving many different purposes: to signify approval with applause, for instance, or to keep time to music. Acousticians often ...