Foggy screen points the way, from Nature Inventors have fashioned an interactive computer display from a curtain of fog. The FogScreen uses ceiling-mounted air jets to create a vertical, turbulence-free slice of air a few centimetres thick, into which a fine mist of water is pumped. An ordinary projector can be used to display images on the resulting wall of fog. …with the help of a laser-scanning system, the FogScreen.. Read More