What is Virtual Reality?

Definition

"Virtual Reality: A computer system used to create an artificial world in which the user has the impression of being in that world and with the ability to navigate through the world and manipulate objects in the world."

- C. Manetta and R. Blade in "Glossary of Virtual Reality Terminology" in the International Journal of Virtual Reality, Vol.1 Nr.2 1995.

"Virtual Reality allows you to explore a computer generated world by actually being in it"

- B. Sherman and P. Judkins (1992) "Glimpses of Heaven, Visions of Hell: Virtual Reality and its implications" (Hodder and Stoughton: London).