[update1 - Jimmi got in touch and has posted his video on YouTube in five parts -> one, two, three, four, five]

I’ve had the pleasure and honor of seeing Toshio Iwai do the keynote lecture at Futuresonic 2006. As an inspiration for many years, having only read about his previous work and seen static images, [...]

A project in a similar concept to RGB Player is spinCycle from Spencer Kiser (an NYU ITP student).
As the turntable rotates, a camera reads the fluorescent tinted plexiglass (red, yellow and blue). The camera acts as the input detection, picking up the colours and positions of the pucks, but also as the visual feedback [...]

Jeff Han

Back in August last year I posted a project by Jeff Han that demonstrated how a multi-touch surface could work using internal reflection of infrared light and camera tracking. Since then he has been working with a number of demos with collaborators, including many from Philip Davidson, two from Casey Muller and one [...]

Soundgarten by Michael Wolf is a tangible interface that enables children to record, modify and arrange sound samples in a playful way. Designed as a toy, the garden has 19 plug holes that can fit sounds in the form of mushroom objects. Children can use the pre-defined environmental or musical sounds, or use [...]

[update] a video is now online.

RGB Player by Toke Barter, is a cylinder-shaped musical instrument with a built in scanner and a mounted rotating disc. The ‘instrument’ is played by placing coloured objects (childrens toys) onto the surface of the rotating glass disc.

As an object passes over the scanner beneath the disc and its [...]

I was aware of the work by Jeff Han some time ago, but was reminded (Design is Kinky) to look at his site again. A couple of recent projects caught my eye.
Multi-Touch Sensing through Frustrated Total Internal Reflection
If you have ever seen Lemur (a $2495 multi touch surface) then you will understand what this is. [...]