Caption The researchers used their new method to simulate a holographic representation of a rocket [drawing shown in (a), point-cloud model in (b)]. A volume-rendered image of the 3D rocket ...

Hybrid rocket engines offer perks from both worlds, with simple solid fuel and the ability to throttle down by regulating oxidizer flow. Naturally, [Integza] decided he should try and 3D print one.

When the Terran 1 launches, it will bring to life Relativity’s biggest project to date, a massive 3D-printed rocket larger than any other 3D-printed object ever created to go to orbit.