Social Studies, 14.03.2020 00:25 winterblanco

When light from a flashlight is moved quickly back and forth on a wall in a darkened room, it can appear to observers that there is a trail of light moving across the wall, even though physically the light is only in one place at any given time. This experience is an effect of memory that occurs because of .

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When light from a flashlight is moved quickly back and forth on a wall in a darkened room, it can ap...