Posted inBeijingChinaWorld

China’s Mach 25 wind tunnel is not just for testing planes

China is wrapping up construction of the world’s most high-speed wind tunnel to test a future hypersonic spaceplane capable of traveling at a whopping theoretical speed of Mach 25, or 30,625km/h, 25 times the speed of sound. To put that speed in perspective, passengers on board such an adrenaline-inducing flight could be hurled from Beijing to […]