22 Facts About Virtual reality

Virtual reality is a simulated experience that can be similar to or completely different from the real world.

Applications of virtual reality include entertainment, education (such as medical or military training) and business (such as virtual meetings).

The term "artificial Virtual reality", coined by Myron Krueger, has been in use since the 1970s.

One method by which virtual reality can be realized is simulation-based virtual reality.

Image-based virtual reality systems have been gaining popularity in computer graphics and computer vision communities.

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Desktop-based virtual reality involves displaying a 3D virtual world on a regular desktop display without use of any specialized VR positional tracking equipment.

Mixed reality is the merging of the real world and virtual worlds to produce new environments and visualizations where physical and digital objects co-exist and interact in real time.

Simulated reality is a hypothetical virtual reality as truly immersive as the actual reality, enabling an advanced lifelike experience or even virtual eternity.

Exact origins of virtual reality are disputed, partly because of how difficult it has been to formulate a definition for the concept of an alternative existence.

Antonin Artaud took the view that illusion was not distinct from Virtual reality, advocating that spectators at a play should suspend disbelief and regard the drama on stage as Virtual reality.

Virtual reality built a prototype of his vision dubbed the Sensorama in 1962, along with five short films to be displayed in it while engaging multiple senses.

Virtual reality is most commonly used in entertainment applications such as video games, 3D cinema, dark rides and social virtual worlds.

Consumer virtual reality headsets were first released by video game companies in the early-mid 1990s.

In social sciences and psychology, virtual reality offers a cost-effective tool to study and replicate interactions in a controlled environment.

Virtual reality programs are being used in the rehabilitation processes with elderly individuals that have been diagnosed with Alzheimer's disease.

Virtual reality is able to assist in making aging in place a lifeline to an outside world that they cannot easily navigate.

Virtual reality allows exposure therapy to take place in a safe environment.

Virtual reality has been used in physical rehabilitation since the 2000s.

Virtual reality's growing market presents an opportunity and an alternative channel for digital marketing.

Virtual reality sickness occurs when a person's exposure to a virtual environment causes symptoms that are similar to motion sickness symptoms.

For example, Nintendo's Virtual reality Boy received much criticism for its negative physical effects, including "dizziness, nausea, and headaches".

Immersive VR can provide users with multisensory experiences that replicate Virtual reality or create scenarios that are impossible or dangerous in the physical world.