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What is Virtual Reality? Virtual reality is the computer generated simulation of a real or imagined environment or world that is graphics based or text based. As a general rule, people are better at learning procedures through visual and "hands on" experiments rather than from a list of instructions on how to perform a procedure. This is probably why graphics based simulations account for the vast majority of simulations. By using virtual reality (VR), one can see any imaginable situation from the very dynamics of molecules and their interactions to the operation of extremely large machinery. When was it developed? Virtual Reality existed long before it was classified as "virtual reality" in the way that the public now perceives it. Many simulation programs used the basic ideas of a theoretical environment and its resulting behaviors to stimuli. Like many areas of current technology, VR has strong roots in the military. It was and still is used for education and training for military situations, much like the medical industry uses virtual reality