Shape changing fog displays

The form factors of displays using fog or water surface are limited by our ability to control the non-solid substances used as the diffuser. We propose a charging technique for polar aerosols (e.g., mist or fog) that allows control of the shape and trajectory of such non-solid diffusers using electric fields. We report experiments that allowed us to design a charging mechanism that produces charged fog aerosols with homogeneous electrical mobility.

We illustrate our idea by demonstrating how electric fields can be used to control the shape of a fog display and the trajectory of a bubble display.

Shape Changing fogPublications

Deepak Ranjan Sahoo, Diego Martinez Plasencia, Sriram Subramanian, Control of Non-Solid Diffusers by Electrostatic Charging, Proceedings of ACM CHI 2015, 33rd Annual ACM Conference on Human Factors in Computing Systems. ACM, New York, NY, USA, 11-14. [pdf]

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