VIRTUAL REALITY
by Jingxuan WANG
1. how to buy it
1.1. Virtual Reality - Best Buy
2. survey
2.1. the work is in progress
3. HISTORY
3.1. Before the 1950s （idea beginning） 1950–1970 1970–1990 1990–2000 2000–2015 2015–present
3.1.1. from big to small ，from complexity to friendly-use
4. DIFFICULTY
4.1. Difficult to input infrmation
4.2. Mental health
4.3. lack of standard
5. DEFINATION
5.1. VR: computer technology
5.1.1. via Virtual reality headsets or multi-projected environments,
5.1.2. make a virtual thing feel true
5.1.2.1. sounds
5.1.2.2. feel in a real place