Ideal for propelling tiny satellites, the lightweight devices could be produced on board a spacecraft and cost much less than ...

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 ...

Turbojet engines are an incredible ... that the entire machine was built with 3d printing and a home made spot welder. If you want to build a full jet turbine, we won’t say it’s easy, but ...