What is Virtual Reality?
Virtual Reality is a completely artificial digital environment that uses computer hardware
and software to create the appearance of a real environment to the user. For a user to
“enter” a Virtual Reality environment they must first put on special gloves, earphones,
and goggles, all of which receive their input from the computer system (Figure 1.26).
By doing this at least three of the five senses are controlled by the computer. In addition,
the computer monitors the user’s actions. The goggles, for example, track how the eyes