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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>
Virtual Reality is an interactive and immersive medium that can be used to create unique experiences that are unattainable elsewhere. VR has the power to transform [[games]], [[films]] and other forms of media. Some enthusiasts call VR the "ultimate input/output device" or the "last medium" because any subsequent medium can be created within VR, using only software . <ref name=”0”></ref> <ref name=”6”></ref>.
While [[Augmented Reality]] enhances the real world with digital content, Virtual Reality completely replaces the real world with a virtual one, creating a brand new digital environment for the users to explore . <ref name=”0”></ref> <ref name=”6”></ref>.
==Main characteristics==
