It’s the first step in Boom’s ambitious goal to have supersonic airliners carry passengers by 2029. The Mach number is ...

American firm Boom Supersonic’s XB-1 has once again reached supersonic speeds without producing an audible boom, following ...

Boom Supersonic, the company aiming to create commercial planes that can travel faster than the speed of sound, have ...

Narrator: Whether you're on a plane, subway, or a crowded street ... See, every sound travels in the form of a wave, also called a sound wave — and each one is different. This is a sound ...

By achieving a top speed of Mach 1.1, Boom Supersonic has broken records and is on course to revive supersonic passenger ...

Sound waves travel at 1,500 m/s in water. The time between sending and receiving a sonar sound pulse that detects a submarine on the seabed is 0.12 s. Calculate how far below the ship the ...