printing stories

You can never have enough lasers in your life. They're already everywhere, of course, but mostly they're off doing practical things, and it can sometimes be hard to justify having a whole bunch of lasers just because, you know, lasers. But now that you can just print them out on virtually any surface with an inkjet, everything can be a laser. Everything.
Normally, if part of your skin is badly damaged in an accident, you'll need skin grafts from other parts of your body to replace the damaged skin layers. Now a group of researchers at the Wake Forest Institute for Regenerative Medicine says that new skin can actually be printed, using technology that's very similar to a regular ink jet printer.