persistence of vision

Persistence of Vision – The cornerstone of all visual media

All visual media like movies, TV, electronic displays and laser light shows rely on a phenomenon known as Persistence of Vision. Our eyes can retain a picture for a fraction of a second after seeing one. Before this time frame expires, if a another picture is shown in its place, the eyes see it as a continuation of the first picture, and don’t perceive the gap between the two. This particular ability of the visual system is used effectively by all forms of visual entertainment.

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