Virtual reality is a three-dimensional computer-generated world, where users are fully immersed and able to explore their surroundings. The users interact with the virtual reality environment with the assistance of goggles, helmet, gloves, or even omnidirectional treadmills to increase their experience. These aids allow the sensory experience of being in the virtual reality of the program. The program can be designed as a specific place (e.g., a museum, a house tour, or even a game), and the user virtually walks around the space, exploring and interacting with what has been programmed. This entry first explores the uses, history, elements, and levels of virtual reality and then discusses its benefits and challenges.


Virtual reality is used in a variety of fields, including entertainment, architecture, education, and medicine. ...

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