Nasa tests 3D-printed rocket engine fuel injector

Nasa has announced it has successfully tested a 3D-printed rocket engine part. The US space agency said that the injector component could be made more quickly and cheaply using the technique. via Pocket http://www.bbc.co.uk/news/technology-23313921#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa