This is really amazing technology

Possibly of interest to several of you.  This video shows new machinery plus scanner that can reproduce engine parts, gears, you name it, out of plastic which serves as a model for making it from metal.    Amazing.  Let Jay Leno tell you about it.  Click below.    

 

http://widgets.nbc.com/o/47f1317f105123ad/498ebd00a62edaa0/47fe70d4555df05a/9e46bd46/-cpid/ba4377d3bfd6c81