(Update: The follow-up article can be found here.)
Fortunately I’ve got some money from the Computer Science faculty of the Wiesbaden University of Applied Sciences to build another (better) multi-touch table. I decided to try Tim Roth’s DSI technology. By using this technology it should be possible to use objects on the table that can be traced by a camera just like in the reactable project.
I made a photoset of this DSI multi-touch table on flickr: