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'''Virtual reality''' or '''VR''' is a computer-simulated artificial multisensory 3D environment that can mimic the properties and imagery of the physical world, be completely based in fantasy, or a mix of both. The system uses position-tracking and responds to the user’s inputs. In VR, the senses are temporarily fooled into believing that the artificial environment is real. The goal of a true VR experience is to create [[presence]] - the feeling of physically being somewhere else, of being in another reality <ref name=”0”> Bierbaum, A.D. (2000). VR Juggler: A Virtual Platform for Virtual Reality Application Development. Masters of Science Thesis, Iowa State University, Iowa</ref>.