Virtual Reality Today Virtual reality allows people to study artificial worlds through simulation and computer graphics. Computers have changed the way we perform flight training, scientific research and conduct business. Flight simulators have drastically reduced the time and money required to learn to fly large jets. One of the most interesting capabilities of virtual reality is the ability to practice certain medical practices. Computers are helping many doctors perform complicated operations very simply. Computers have changed the way we look at health problems. They have made incurable health problems very easy to solve in today's society. We have only begun to realiz