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![So Serious – 1980’s Virtual Reality from NASA](https://vrtifacts.com/wp-content/webpc-passthru.php?src=https://vrtifacts.com/wp-content/uploads/2010/03/nasa.jpg&nocache=1)
![CAVE® – A Virtual Reality Theater – 1993](https://vrtifacts.com/wp-content/webpc-passthru.php?src=https://vrtifacts.com/wp-content/uploads/2010/03/cave-diagram.jpg&nocache=1)
CAVE® – A Virtual Reality Theater – 1993
In 1991, EVL produced its first CAVE® (CAVE Automatic Virtual Environment) prototype, a two screen stereo projection system with single-user tracking and navigation. In late 1991 – early 1992, a 4 screen (3 walls/floor) CAVE® system – now including...![Virtusphere – Virtual Hamster](https://vrtifacts.com/wp-content/webpc-passthru.php?src=https://vrtifacts.com/wp-content/uploads/2010/02/IMG_7025s.jpg&nocache=1)