Simpliforge Creations, in collaboration with IIT Hyderabad, has built the world's first on-site 3D-printed military bunker in ...

The payload container is a hollow tube with a 3D printed threaded adaptor ... That combination is a popular one with high-altitude balloons, which, like rockets, also require people to retrieve ...

The trouble? Spinning. A spinning rocket is a stable rocket, especially as altitude increases. So how would [Joe] get stable video from a rocket spinning at several hundred degrees per second?

It can access both low and high-inclination ... the new engine and 3D-printed parts; the company did not immediately say how long the test lasted or what altitude the rocket reached.