Siggraph

Grimage
Put any object into the interaction space and it is intantaneously modeled in 3D and injected into a virtual world.

String Walker
A locomotion interface that uses eight strings actuated by motor-pulley mechanisms mounted on a turntable. It enables users to maintain their positions while walking in various directions in a virtual environment.

The Sound of Touch
Provides real-time captures and sensitive physial stimulations of sound samples using digital convolution. Users operate a hand-held wand to record sound, then brush, scrape, strike or otherwise physically manipulate this sound against a texture of physical objects.

TransPen and MimeoPad
Children and adults can use rubbing motions to transfer digital images directly to paper and produce a drawing.