Build Your Own Multitouch Surface Computer
While I still like the command line. This is pretty cool.
"There are several different ways to make a multi-touch surface, but we’ll focus on the one that we employed: the FTIR screen. An FTIR (short for Frustrated Total Internal Reflection) setup involves three vital components: a sheet of transparent acrylic, a chain of infrared LEDs, and a camera with an IR filter. The LEDs are arranged around the outside of the sheet of acrylic so that they shine directly into the thin side surfaces." Build Your Own Multitouch Surface Computer
(Submitted by Noel Tue Apr 28, 2009 )
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