When you place one of these helmets on your head, your head movements allow you to see and hear the virtual world. The gloves can replace real touch with virtual touch. One camera or image is placed in front of each of your eyes, slightly offset in perspective . As your gloved hand touches a surface in the virtual world, sensors in the glove tell the computer where the hand is in space. With some gloves, the computer can send signals back to you through pressure vibrations to indicate when you've touched an object in the virtual world.
Virtual reality is more than just entertainment.
For people with disabilities, it offers a way to interact with other people and to enter an artificial universe created by computer imaging, bypassing any physical limitations they may have. In industry, workers can draw upon this technology to design parts without expensive physical mock-ups , conduct chemistry experiments without risk, and learn how to operate new equipment with little loss in productivity. Close one eye. Make a list of your favorite video games. Design a video game on paper, using some of the techniques you have observed in your favorite game.