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 ...

SHANGHAI (Reuters) - China's homemade ARJ-21 plane has received permission to fly from the country's civil aviation regulator, the official China Daily reported Wednesday, after years of delays due to ...

Pulse-jet filtration and dust collection systems are critical components in industrial air pollution control and process gas cleaning. These systems utilise pulses of compressed air to dislodge and ...