e to break the 2-Dimensional constraints of today’s familiar equipment and has many practical applications. Four of these applications are medical, space exploration and training, physical, and entertainment. Body Medical researchers have been using virtual reality techniques to synthesize diagnostic images of a patient’s body to do predictive modeling of radiation treatment using images created by ultrasound, magnetic resonance imaging (MRI), and X-ray. A radiation therapist in a virtual world could view and expose a tumor at any angle and then model specific doses and configuration of radiation beams to aim at the tumor more effectively. Since radiation destroys human tissue easily, there is no allowance for error. Also, doctors could use “virtual cadavers” to practice rare operations which are tough to perform. This is an excellent use because one could perform the operation over and over without the worry of hurting any human life. However, this sort of practice may have its limitations because of the fact that it is only a virtual world. At this time, the computer-user interfaces are not well enough developed and it is estimated that it will take 5 to 10 years to develop this technology. The book Virtual Reality & Beyond states that NASA built a complete model of the surface of the moon to train the crew on landing techniques. The same

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