Imagine visiting friends hundreds of miles away without having to leave your own house or touring structures or monuments that have yet to be built. Imagine surgeons being able to operate on patients even if they were countries apart. Imagine if astronauts could walk on Mars without having to leave Earth. With the modern advances of computer technology and virtual reality, such fantasies are becoming realities. Virtual Reality explores the development of this groundbreaking scientific field and its fascinating possibilities for life at home, at work, or during leisure hours.