Pioneering the world’s fastest sub-25kg unmanned aircraft. In 2017, German pilot Niels Herbrich flew his homemade remote-control plane at 465mph (Mach 0.62). Six years later, his speed record remains ...

The history of aviation is relatively short, but it is already cluttered with projects that never panned out. While thousands of aircraft concepts have been realized, and built, and flown, many ...