Chinese researchers have successfully tested an ultra-lightweight, unmanned hypersonic airliner prototype. Dubbed the Nanqiang No. 1, the one-of-a-kind technology demonstrator was tested in a specialised laboratory, recording speeds nearing Mach 6. Engineers working close to the Nanqiang project told Chinese state media that a prototype could be airborne as soon as 2025. Indeed, a great … Continue reading China a step closer to hypersonic passenger airliner