SpaceX has offered holiday greetings via a spot of synchronized rocket-engine nozzle steering ... such as in the vacuum of space. SpaceX’s video ends with the Raptor engines firing at full ...

The development of the rocket nozzle system demonstrates the advanced material integration abilities of contemporary metal additive manufacturing. This innovation's core is a sophisticated bi-metallic ...

You don’t think of hobby-grade 3D printing as a good method for creating rocket nozzles. But [Mister Highball] managed to create a copper nozzle using a common printer, a kiln, and some special ...