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Fri Mar 17 00:20:15 GMT 2023 soundSound - https://list25.com/25-randomly-cool-facts-about-sound/ What, really, is the speed of sound? - https://www.zmescience.com/science/what-is-speed-sound-2625234/ The loudest sound in mankind’s history - https://www.zmescience.com[..]-loudest-sound-ever-in-mankinds-history/ (google search) (amazon search) second |