Intro -
Title:
ZeroN: Mid-Air Tangible Interaction Enabled by Computer Controlled Magnetic Levitation
Reference Information:
UIST '11, Octiober 16-19, 2011, Santa Barbara, California, USA
Author Bios:
Jinha Lee - jinhalee@media.mit.edu
Hiroshi Ishii - ishii@media.mit.edu
MIT Media Laboratory
75 Amherst St.
Cambridge, MA, 02139
Rehmi Post - rehmi.post@cba.mit.edu
MIT Center for Bits and Atoms
20 Ames St.
Cambridge, MA, 02139
Summary -
This paper presents a 'novel' approach to creating a physical representation of a 3D virtual coordinate system through which users can interact with the tangible interface element in order to "see, feel, and control computation." In all the demonstrations, a metal magnetic sphere was used as the interface element, and it was controlled in the predefined 3D volume with a magnetic control system. The control system was able to keep the magnet centered in a specific spot, so they used stepper motors to control the actuation (up / down movement) and the x / y coordinates. An optical tracking and display system was combined with the ability to precisesly control the position of the element in order to project images onto it. A built in physics simulator enables physical simulations of Planetary Motion, Shadows, and Camera Angle virtualization.
"ZeroN, a new tangible interface element that can be levitated and moved freely by a computer in a three dimensional space."
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Evaluation -
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Discussion -
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