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Virtual Reality is a creation of a highly interactive computer based multimedia environment in which the user becomes a participant with the computer in a virtually real world We are living in an era characterized by 3D virtual systems created by computer graphics In the concept called Virtual Reality VR the virtual reality engineer is combining computer video image-processing and sensor technologies so that a human can enter into and react with spaces generated by computer graphics In 1969-70 a MIT scientist went to the University of Utah where he began to work with vector generated graphics He built a see-through helmet that used television screens and half-silvered mirrors so that the environment was visible through the TV displays It was not yet designed to provide a surrounding environment It was not until the mid 80s that virtual reality systems were becoming more defined The AMES contract started in 1985 came up with the first glove in February 1986 The glove is made of thin Lycra and is fitted with 15 sensors that monitor finger flexion extension hand position and orientation Connected to a computer through fiber optic cables Sensor inputs enable the computer to generate an on screen image of the hand that follows the operators hand movements The glove also has miniature vibrators in the finger tips to provide feedback to the operator from grasped virtual objects Therefore driven by the proper software the system allows the operator to interact by grabbing and moving a virtual object within a simulated room while experiencing the feel of the object The virtual reality line includes the Datasuit and the Eyephone The Datasuit is an instrumented full-body garment that enables full-body interaction with a computer constructed virtual world In one use this product is worn by film actors to give realistic movement to animated characters in computer generated special effects The Eyephone is a head mounted stereo display that shows a computer made virtual world in
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