Two years ago, in 2023, the Defense Advanced Research Projects Agency (DARPA) announced the birth of the Speed and Runway Independent Technologies (SPRINT) program. The goal of the effort was to ...
Bob Maddox’s stage name, Crazy Rocketman, is a misnomer. Maddox doesn’t build rockets. He builds pulse-jet engines. There’s a difference. As for the crazy part—that may be true. Maddox is the world’s ...
Boom is trying to build a Supersonic jet that could cross the Atlantic in 3.5 hours. Last December, it decided to make its own engine after engine manufacturers refused to help. Now its Symphony ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results