Film gives the naked-eye visuals that gives info and the info can be detected quickly in the mind of a human, and while seeing the film, the mind can believe that exact time period, and get into the time of the time period, since the mind is detecting the time period with the naked eye.
Film gives proof that can be seen with the naked eye and its quick information that can be quickly evaluated and explained due to its ability to be stopped, and in some cases enhanced to be more easily explained to an audience.
