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Acoustics is the interdisciplinary science that deals with the study of all mechanical waves in gases, liquids, and solids including vibration, sound, ultrasound and infrasound. Applications of acoustics are for instance the audio and noise control industries.
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Can you "rewind" sound messages by going supersonic?
Yeah that is possible.
The moment you produce the sound, imagine that the sound travels in a perfect sphere with the point when you produced the sound as the centre. The radius of the sphere increase …