The sound barrier is something many people have heard of, but few understand, as it's somewhat of a misnomer. The speed of sound is known as Mach 1 (767 mph), and when an object moves beyond this, ...

Supersonic air travel is great if you want to get somewhere quickly. Indeed, the Concorde could rush you from New York to London in less than three and a half hours, over twice as fast as a ...

Physicists who record rocket launches and landings are learning important facts about the acoustics of spaceflight. A group of scientists who study the acoustics of rockets set up equipment all around ...