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What is Virtual Reality ?

Virtual Reality (VR) technology is basically defined as a computerized system, enabling one (or more) person(s) to visualize complex and/or massive databases, while interacting with the virtual environment they define.

Two major aspects of VR:

First, visualization is immersive, since the goal is to give the user the sensation that the environment and/or the objects s/he is confronted with are really "there", that s/he is "inside" the virtual world.

Secondly, the user is able to interact in "real-time" with this environment.

These objectives are attained by using various human-VR input/output interfaces that enable "real-time" updating of multi-modal sensorial information as a function of the actions and movements of the user in the virtual world.