Some thoughts about touch-screens.
On this website I found great reports about sensors.
For example this touch-sensing-IC:
Or this homemade linear pot:
Another solution to interact:
WiiRemote with IRGloves
The state of the art in multi-touch-interfaces:
MultiTouch Interfaces Prototyping:
Microsoft Interface Research:
Microsoft unveils the SURFACE:
Michael Wolfs great Blog about Touch-Interfaces:
The blinking ibar from Mindstorm Interactive Surface Solutions:
Cubit – Open Source Multitouch Display:
Cubit is an open-source, multitouch, tabletop display, similar to Microsoft’s Surface but less expensive and requiring assembly.
Open-Source, Multitouch Display
Using a Wii Remote and build a multitouchscreen for less than 50$
Johnny Lee gives a good overview in this instructable:
Some examples can be downloaded on his great website: