NASA's 3D-printed rocket pump passes brutal stress test
 

NASA is pushing the state-of-the-art for 3D additive printing and wants to bring US industry along with it. It recently tested a rocket engine's crucial turbopump unit that was built almost entirely of 3D printed parts (see the video below). Marsha...

http://www.engadget.com/2015/08/27/n...&ncid=rss_semi