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"Real" 3D displays
Japan's "real" 3D image projector. "A special projector can cast three-dimensional shapes of white light between 2 and 3-meters into the air -- previous devices only tricked the eyes into thinking the image was 3D. The images are created by blasting the nitrogen and oxygen in the air at fixed points resulting in glowing plasma emissions which hang-out just long enough to etch an ephemeral image. The 3D images are, gulp, accompanied by a series of satisfying "tiny explosions" from the expanding air."

Engadget
Posted by Richard on February 23, 2006 08:56 AM