Show secret master (1939)The first virtual reality device in history was the “View-Master” device, which was produced in 1939. It can be watched by light contained in videos or movies placed inside the device.Sensorama (1962)There were 5 short films covering the senses of sight, hearing, touch and smell with the sensor machine. Designed by Morton Heilig in 1962, Sensorama’s virtual reality device had to remove the Morton Heilig project because it could not find any financial support at that time. But by designing and using this device, he took the first step in virtual reality technology. It is said that this device is still working.Damocles Sterilizer (1968)In 1968, American computer engineer Ivan Sutherland and student Bob Sproull made the Damokles Wrench an important factor in the development of helmet-like displays used today. At that time, this helmet was used with hanging elbows due to its heavy weight. The title used then was considered a primitive but contemporary VR head.Super Cockpit (1986)He developed this virtual reality title in virtual reality titles for military use rather than civilian use. One of my first studies was a super cockpit developed at Wright Patterson Air Force Base in USA. Dr. He works for the US Air Force. The “Super Cockpit” program developed by Furness was used in flight training with three-dimensional pilot images. Flight simulators, one of the earliest examples of virtual reality studies, allow pilot candidates in the training phase to experience flight experience in a mobile pilot’s cab built and controlled through a computer.SEGA VR (1993):Sega company decided to use the concept of “Virtual Reality”, which is very popular at the beginning of 90’s, as an extension for Creation. In 1991 Sega announced the name of Sega VR. This product carried LCD monitors, stereo speakers and sensors that sensed head movements. This system, which will be used in games played on the first person’s camera, will guide the character by perceiving the user’s head movements. The device was introduced with 4 games at the 1993 fair. Due to the side effects of the device, the Sega device went on the market. Several prototype models of the device are still available.Nintendo Virtual Boy (1995):July 21, 1995 The Virtual Child was put on the market by Nintendo. Nintendo-driven Virtual Boy is the first portable gaming console to provide three-dimensional images. The console sold for $ 179.95 and sold a total of 700,000 units and was a major disappointment.