Virtual Reality , VR in short is a very advanced technology, which is an integration of computer science, robotics, instrumentation, multimedia, sensors, optics, 3-D technology, etc. Each technology, which converges to form VR, in itself, is very sophisticated and hi-tech. VR is a powerful user interface technology.
This current technology doesn’t even require physical presence of a person. Information is important and this promising technology provides the best way to visualize it, enabling directly interaction for the user. VR has full-blown applications in industries like automobile and aviation.