Quote Originally Posted by bigburtchino View Post
3D printing is a "spin-off" technology transfer, originally developed by NASA to make critically needed parts in space. Some are plastic, but many are not, mostly made of non-metals like ceramics. The first 3D gun was made last year, all non metal parts (Home Land Security?).
Spot on....another thing you can thank NASA for....too bad we keep screwing with them and taking away their funding...they have developed some of the best stuff in the last 50 years