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Virtual Reality Blueprints by John Williamson, Charles Palmer

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1989 – Nintendo Powerglove

The Nintendo Powerglove was an accessory designed to run on the Nintendo Entertainment System (NES). It used a set of three ultrasonic speakers that would be mounted to a TV to track the location of the player's hand. In theory, the player could grab objects by making a fist with their hand in the glove. Tightening and relaxing the hand would change how much electrical resistance was captured, allowing the NES to register a fist or an open hand. Only two games were released for the system, though its cultural impact was far greater:

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