Flying over the Mississippi River from Canada to the Gulf of Mexico and continuing on to South America, learning about the migratory habits of swans; walking across a busy intersection; or becoming a hydrogen molecule as you bond with a second hydrogen...

The terms virtual reality (VR) and virtual environment (VE) refer to an artificial reality created by computer technology that provides the user with a first-person, interactive view into the virtual world that has been created. It is this interactive...

A virtual reality (VR) system is one that creates an illusory environment for its user. The illusion may be valid in all directions, or limited to certain angles of view; it may substitute completely for the user's actual surroundings, or be...

A ‘catch-all’ term for computer-generated simulated environments with which subjects may interact via sensory and motor interfaces. At present these include head-mounted display systems that can generate illusion of 3-dimensional...

This article is about the simulation technology. For the Alan Ayckbourn play, see Virtual Reality (play). For the gamebook series, see Virtual Reality (gamebooks) Virtual reality (VR) is a technology which allows a user to interact with a...

A TECHNO-METAPHOR WITH A LIFE OF ITS OWN Sometimes, when you make up a metaphor, it goes out and has adventures. It mixes with the wrong crowd. It forgets where it came from and changes so you hardly recognize it. A metaphor...

Technique used as a form of therapy for post-traumatic stress disorder DAYTON - Beneath the whirring helicopter blades spinning above your head, you can make out mountains in the distance. Looking down you see vast stretches of jungle carpeting the land. Suddenly your...

Staff Sgt. Jeff Ebert's entire body flinches as a roadside bomb explodes near his vehicle. Smoke obscures his view. Gunfire rattles around him.This isn't on a road in Iraq but inside a room at Madigan Army Medical Center, where psychologists plan to begin using virtual...

The pillars glide by as you float through the courtyard of an ancient palace. Moments later, the world turns blue as you slip along the ocean floor and poke through the Earth's crust in search of oil.The journeys take place in Room 278 at the...

Discusses reality as virtual reality. Also discusses if we perceive the world directly through our senses or if our brains construct a reality from our sensations.