Hammad Bin Amir on Instagram: "Result jani kobe dibo? #hsc #results"

Aviation Merch By Aviation Store on Instagram: "When speed became survival the SR-71 turned Mach into a shield and made the sky itself a no-go zone for anyone trying to follow. (Credits @masaviation1 on TikTok) Lockheed's Blackbird was built for sustained Mach 3 plus cruise at extreme altitude so reconnaissance sorties could collect imagery and signals while outrunning interceptors and SAM response times. Its role was intelligence collection not combat, and its presence shortened decision cycles

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Universal things on Instagram: "This high-power hobby rocket just reached Mach 2, which means it flew at twice the speed of sound - over 1,500 miles per hour. Mach numbers are a simple way to compare an object’s speed to how quickly sound travels in air. Mach 1 is matching the speed of sound, about 760 mph at sea level. Mach 2 is doubling that. At 25,000 feet up, higher than most clouds, the air is thinner, but the rocket was still moving faster than a bullet leaves a handgun. Going this fast, t