I'd definitely heard of 3D printers before, but they never fail to make my jaw drop. Incredible stuff.

I look forward to being mocked by your grandchildren when I relate the genuine wonderment we all feel right now at the birth of 3D printing.

Of course, when they do, I'll just print out another stab-bot to chase and kill them.

I'm going to print up some grandchildren right now, just so I can stab 'em myself.

Yes! I somehow discovered this same video a few months ago—don't ask me how or why! But I was also boggled by it.
The world of printers is underrated:
http://www.pcworld.com/article/192595/15_a…

Go to the MakerBot website to find out how you can buy or make one for yourself www.makerbot.com

You should definitely check out the Colbert Report link. They made a Stephen head on the show. If he's going to be running for president we will need to mass produce these.

If you are a male and have access to one of the replicators, you could give your significant other a VERY personal momento, couldn't you. Just sayin....