MIT's newest 3D printer spouts 10 materials at a time
 

One of the biggest hindrances to current 3D printers is that they almost exclusively stick to a single precursor be it plastic, metal or glass. At most, you can get one that extrudes three materials at a time and they're going set you back a quarte...

http://www.engadget.com/2015/08/24/m...&ncid=rss_semi