print a knife??? gotta watch this. 3D printer

[DanGraves]

This is a neat machine. You just gotta watch it and then think of the possibility. They are also printing medical things like stem cell.

http://youtu.be/jQ-aWFYT_SU

 

[Idlewild]

Wow!! If only they could print out in fine Damascus!! Thanks for the link Dan!