Just because you can...

New technology often has unexpected uses. When the laser was invented nobody had any what possible use it could be and now they are ubiquitous, from light shows to DVD players and surveying. Similarly, the 3D printer is discovering new uses. Here's a daft one; printing a photo of your face onto the top of your coffee (thanks Bob). from The Universal Machine http://universal-machine.blogspot.com/ Universal Machine post to email (CS blog)