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  Cholesterol extracted from carrots is found to be liquid crystalline in nature.
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  Ferdinand Braun invents the cathode ray tube (CRT). Source
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  Using a CRT Boris Rosing displays a simple geometric shape from a video signal. <a href="http://en.wikipedia.org/wiki/Cathode_ray_tube>Source</a>
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  First 3D movie was played. <a href="http://en.wikipedia.org/wiki/3D_television>Source</a>
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  Vsevolod Frederiks invents the electrically switch light valve, naming it the Fréedericksz transition. Source
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  John Baird presented the first stereoscopic 3D TV. Source
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  The fist working television system was invented by Philo Farnsworth. Source
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  Peter Goldmark presents his color television to the Federal Communications Commission (FCC). Source
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  George Heilmeier creates the first liquid crystal display. Source
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  Donald Bitzer, H. Gene Slottow, and Robert Willson invent the fisrt (monochrome) plasma display. Sourece
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  Ivan Sutherland creates first head mounted display. Source
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  Videoplace is created by Myron Krueger. Projects and cameras were used to interact with silhouettes and even people in other rooms. Source
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  Created by MIT, a collection of images were taken driving down the road. These images were compiled into a database so a user could virtual move down the street and look at four different views. Source
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  Casio releases the world's smallest television implementing an LCD screen. <a href="http://world.casio.com/corporate/history/chapter02/contents07/>Source</a>
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  Fujitsu unveils the first 21" color plasma display. Source
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  An agumented reality game is created, modelled after the populat computer game Quake, by Wearable Computer Lab at the University of South Austrailia. Source
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  The Wii is released bring motion control to video games creating a more interactive experience. <a href="http://en.wikipedia.org/wiki/Wii>Source</a>
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  Treadmill is created that can move in any direction. This technology will allow a person to remain stationary but still walk around in a virtual environment. Source
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  1920 by 1080 resolution 3d television goes on the market in Japan. Specialized glasses are required for the viewing. Source
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  Japanese researches have developed a way of using motion tracking an focused ultrasound to simulate solid objects. Source
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  Scientists from the University of York and the University fo Warwick create virtual reality headset with all 5 senses. Source
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  Sony releases its Playstaion move controllers which add motion control to the Playstaion console. Source
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  Microsoft releases its Kinect system which allows the Xbox360 console to track multiple people and their movements. Source
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  Robert Kooima puts together a 3D television and a kinect system to create a interactive 3D environment. Source
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  Toshiba unveils a 3D television that does not require glasses. Source
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  An array of ultrasonic devices will be assemblyed to simulated touching of three dimensional objects.
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  3D television/projector will be used in conjuntion with ultrasound array to allow user to touch 3D objects.
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  Using a omni direction treadmill, head mounted display, and ultrasonic array a tangible virtual environment will be created.
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  At least 2 virtual interface machine will be connected allowing for multiple people to interact.