I saw this on the BBC news site a few days ago, and wanted to post about it. It's got nothing to do with photography (as far as I can see, so far), but it's inspiring anyway. I love the Banana keyboard the best:

It's done with a device called Makey Makey, which looks like it's not available yet, but they have a pledge area to make the project viable. If you'd like to contribute, or find out more about it, go here:

http://www.kickstarter.com/projects/joylabs/makey-makey-an-invention-kit-for-everyone