technology
China builds world’s fastest wind tunnel with explosive power
April 5, 2026
China opened a new kind of wind tunnel in 2023 that runs faster than any other on record. Called JF-22, it stretches 167 meters long with a four-meter wide test section. Instead of giant fans, it uses chemical explosions to whip air to Mach 30 speeds—nearly 23, 000 mph—faster than a space shuttle co
