Virtual reality is a kind of digital reality–a way of using technology to create environments designed for expressly human interaction. This is, of course, different than our physical environment.

2.  The definition of ‘virtual’ is
near and reality is what we
experience. So the term
‘virtual reality’ basically means
‘near-reality’.
• So Virtual reality (VR) means experiencing things
through our computers that don't really exist.

3.  Believable
 Interactive
 Explorable
 Immersive
 Computer-generated

4.  Fully immersive
 Non-immersive
 Collaborative
 Web-based
 Augmented reality

5.  1838 : The stereoscope (Charles Wheatstone)
 1849 : The lenticular stereoscope (David
Brewster)
 1939 : The View-Master (William Gruber)
 1929 : Link Trainer The First Flight Simulator
 1930 : Science fiction story predicted VR
 1950 : Morton Heilig’s Sensorama

6.  1960 : The first VR Head Mounted Display
 1961 : Headsight – First motion tracking HMD
 1965 : The Ultimate display by Ivan Sutherland
 1968 : Sword of Damocles
 1969 : Artificial Reality
 1987 : Virtual reality the name was born
 1991 : Virtuality Group Arcade Machines

7.  1992 : The Lawnmower Man
 1993 : SEGA announce new VR glasses
 1995 : Nintendo Virtual Boy
 1999 : The Matrix
 2011 : Palmer Luckey develops the Oculus Rift, an
inexpensive homemade HMD, in his parents' garage.
 2014 : Facebook announces its acquisition of Oculus in a
deal worth $2 billion.

8.  2016: Oculus begins shipping its Rift headsets to
customers to generally positive reviews. Meanwhile,
a variety of smartphone makers (including Samsung
and HTC) produce rival VR systems, VR also appears
for PlayStation, and Google announces it has
shipped over 5 million cardboard head-mounted
displays for smartphones.

9.  2017 : Sony reveals that it sold almost a million
PlayStation VR headsets in their first four months
on the market.

10.  Education
 Medicine
 Industrial design and architecture
 Games and entertainment

11.  Used in various fields
 Gives detail views
 Connects with people
 Effective communication
 Virtual reality creates a realistic world
 User have awesome experiences