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Fog display

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A fog display, fog screen, vapor screen or vapor display is a system that uses haze machines or water vapor to create a semi-transparent wall, or "curtain" of suspended particles which trapped in a thin sheet (Laminar Flow) of air and are illuminated by a projector, in order to produce a display whose images seem to float in mid air. Several commercial such systems exist, such as FogScreen, Displair and Heliodisplay.

This system can be expanded using multiple projectors to create a three-dimensional image, thus becoming a volumetric 3D display.

References

Fog display Wikipedia


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