Foggy Screen Points the Way

by Michael Hopkin news@nature, 10 Jun 2005 Forget plasma screens, here's one made out of nothing but water. 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. Read the article