Is it real? Well, yes and no. “While it’s not to scale, this 1.5 inch long model was made entirely from direct metal laser melting and required no assembly,” explains GE in another tweet. Does it work ...

Last year, Chennai-based spacetech firm Agnikul made history by successfully launching the world’s first rocket powered by a single-piece 3D-printed engine. What made this feat even more impressive is ...