Displaying data in thin air
L.D. Paulson · Computer · 2004
The article looks at two new display technologies: Heliodisplay, which condenses the air above a video projector - the device then projects an image onto the condensed air; and FogScreen, a display surface made out of a cloud of water vapor diffused into the air as a very dry fog - a projector can display images on the FogScreen.