Virtual reality (VR) presents a synthetically generated environment to the user through visual, auditory, and other stimuli. A VR systems's head-mounted display, stereo graphics, and direct manipulation in three dimensions are outlined. Early work in VR and major technological hurdles in the areas of tracking, display, image generation, and software support are reviewed. Research directions and potential applications of VR are discussed.>
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Randy Pausch (1993) studied this question.
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