Hayes Raffle, Cati Vaucelle and Ruibing Wang 2006
Paper, pens, paint and other physical media, microphone, speakers,
wireless transmitters and position sensing tablet, PC running custom software

Blog news
Toujours le Tangible Media Group
Digital Experience
La Galerie de Mineur
A history of interactive design
Architectradure
We Make Money Not Art

A great learning tool. I can see teachers building entire curriculums around this type of technology. -marc rapp