History
- VR can be viewed as an evolution of simulator technology
  - 1950s 'Sensorama' - an "Experience Theatre" (Morton Heilig)
  - "The Ultimate Display", Ivan Sutherland, 1965
  - "Artificial Reality", Myron Kreuger, e.g. "Critter"
  - 1985: Two major events
    - Krueger, "Videoplace"
    
 - NASA/Ames, world's first 'affordable' stereoscopic
head-mounted display
  
  - VPL, Jaron Lanier, "Virtual Reality".
  
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