haptics

SmartTiles - Room-Sized Artifacts (2005) - download pdf
These guys have developed a very modular setup for a tiled room -- 1 computer per tile -- for educational purposes. It seems they choose high modularity because they want students to be able to program individual tiles. Haven't read all of it but they sound pretty smart and have a forward-thinking perspective on education. There's not too much talk about hardware, but it looks like it has some good sources in the bibliography.