Surfaces Become Interactive with Acoustic SensorsNovember 28, 2006
The Tai-Chi (Tangible Acoustic Interfaces for Computer-Human Interaction) system, developed by researchers from around Europe, can impart a sense of touch to any object.
Attached to the edges of a table or wall, sensors can pinpoint the position of a finger by tracking minute vibrations, making the surface into a virtual touchpad. The technology also applies to 3D objects.
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