Question

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.

Answer 1

Answer:

Explanation:

There has been a marked increase in virtual reality games since the military developed conflict-based simulators.