Coldplay’s third album, X&Y, turned 20 two weeks ago. To mark the occasion, the band has dusted off “Speed Of Sound,” the ...

Iran launched its hypersonic Fattah missile at Israel, sparking Israeli airstrikes and escalating tensions as both nations ...

Iran launched its new Fattah hypersonic missile at Israel, breaching air defenses and prompting retaliatory airstrikes. The ...

Private companies like Stratolaunch are developing tech to regain the edge in the hypersonic arms race with innovations like the Talon-A reusable vehicle.

The speed varies with the medium employed (for example, sound waves move faster through water than through air), as well as with the properties of the medium, especially temperature.

Sound waves are vibrations that are passed on between particles. The speed of sound is the distance a sound travels divided by the time it takes.

whose sonic booms used to mark it breaking the sound barrier, it’s time to think again. There’s a difference between ground speed and speed in the air (indicated air speed, essentially the ...

Coldplay perform “Speed Of Sound” live in full for the first time since 2016 during their El Paso show on the Music Of The ...

A person fires a starting pistol. A distant observer stood 200 metres away (measured using a 20 m tape measure or trundle wheel) records the time between seeing the flash of light from the ...

The change in the speed of sound with temperature (about 0.5 m/s for every degree Celsius) is also similar to that on Earth. Unlike on Earth, though, sound speed and attenuation depend greatly on ...