In a traditional ramjet, the air entering the engine inlet is slowed by the shock cones which narrow the passageway for air pressure, and in turn, increase the jet's speed. However, scramjets use ...

If you've ever looked closely at a jet engine fan on a commercial airplane, you'll have likely noticed spirals or swirls ...

Cue the development of the 3D printed water jet engine (YouTube link, embedded below). The basic principle of operation is simple. Water is sucked through an inlet, where it is accelerated by a ...