Graffiti with FRICKIN' Lasers

This is going to be a short post, because I don't have much to say about it besides, that it's really freaking cool. I'm not sure how exactly (by exactly, I mean at all) they do it, although from looking through their website for a bit, it seems that they give you the information to do it for yourself.

So check out Engadget's Coverage.
Stop by the Graffiti Research Lab website.
Take a gander at their Flickr page.

And watch this snazzy embedded YouTube video: