NASA’s 3D-Printed Rocket Injector Spits Fire Like a Dragon

NASA's 3D-Printed Rocket Injector Spits Fire Like a Dragon Sep 1st 2013, 08:00, by Eric Limer Last month, NASA successfully tested its first 3D-printed rocket injector. The test was successful and the pictures were great, but now we’ve got video. Nothing like a good science inferno.