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 ...

Bellevue developers of a new type of jet engine are finding the real money may lie in using the engine's "pulse detonation" technology to clean dirty power-generation furnaces. The new market is so ...