English, 22.05.2020 06:03, fayth8312

Tanks and submarines were easily simulated, since looking through goggles wasn’t very much different from looking through a pair of binoculars or a periscope. Since the first head-mounted display was built for the Pentagon in 1968, primitive versions of virtual reality have since proliferated to video arcades around the country.

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Tanks and submarines were easily simulated, since looking through goggles wasn’t very much different...