DIY Handheld Portable Data Projector

Now if this isn't "Mondo Max Headroom" I don't know what is.

"A variety of application domains (ranging from ubicomp, through augmented reality, all the way to roaming performance art) would benefit from a lightweight, portable, battery powered projection device that could be used to display computer graphics. Due to the lack of suitable commercial projectors of this type, .:thePooch:. (part of the computing department at Lancaster University, UK) set about creating just such a device. "

All info and supplies needed are on the author's site:
http://www.thepooch.com/projector.html