Virtual reality is an artificial three-dimensional, computer generated environment which can be explored and interacted with by a person. .It refers to a type of reality emulation. That person becomes part of this virtual world and whilst there, is able to manipulate objects or perform a series of actions. Virtual realities artificially create sensory experiences, which can include sight, touch, hearing, and smell. There are a range of systems that are used for this purpose, such as headsets, omni-directional treadmills and special gloves. These are used to actually stimulate our senses together in order to create the illusion of reality. There are a wide variety of applications for virtual reality which include: Architecture,Sport,Medicine,Arts,Entertainment. From trainee fighter pilots to medical applications trainee surgeons, virtual reality allows us to take virtual risks in order to gain real world experience. Virtual reality systems allows a person to view three-dim