Scientists from Queen Mary University of London, the University of Cambridge, and the Institute for High Pressure Physics in Troitsk have discovered the fastest possible speed of sound. The upper ...
Upper limit: a US Navy F/A-18 travelling near the speed of sound in air. The white halo comprises water droplets that have condensed from the air because of the sudden drop in pressure behind the ...
The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. At 20 °C (68 °F), the speed of sound in air is about 343 metres per second ...
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