https://www.livescience.com/diplodocids-bullwhip-tails
New research contradicts the claim that diplodocids could whip their tails at supersonic speeds. Instead, it was a (still impressive) 62 mph.
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https://www.homedepot.com/b/Flooring-Flooring-Supplies-Surface-Prep/SOUND-STEP/Attached-vapor-barrier/N-5yc1vZcduvZpvxZ1z0mdwm
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https://www.fox9.com/news/chuck-yeager-the-first-man-to-break-the-sound-barrier-dead-at-97
The legendary pilot and retired brigadier general became the first man to fly faster than the speed of sound
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https://aviationweek.com/defense/aircraft-propulsion/kf-21-breaks-sound-barrier-first-time
The KAI KF-21 prototype reached Mach 1 for the first time since taking to the skies in July 2022.
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https://www.businesstimes.com.sg/startups-tech/startups/boom-supersonic-rolls-out-demonstrator-aircraft-bid-break-sound-barrier
[MONTREAL] Boom Supersonic on Wednesday unveiled its first demonstrator aircraft X-B1, which is scheduled to begin flight testing next year, in a milestone for...
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