A Cave Automatic Virtual Environment (better known by the recursive acronym CAVE) is an immersive virtual reality environment where projectors are directed to three, four, five or six of the walls of a room-sized cube. The name is also a reference to the allegory of the Cave in Plato's Republic where a philosopher contemplates perception, reality and illusion. The first CAVE was developed in the Electronic Visualization Laboratory at University of Illinois at Chicago and was announced and demonstrated at the 1992 SIGGRAPH. See Wikipedia
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