History of Film Technology - Episode 330
Unprofessional Engineering
00:00
The Persistence of Vision and the Phi Effect
The Phi effect is where your eye sees something. The persistence of vision causes the brain to retain an image on the retina after it's disappeared. So if you take the persistence vision and the Phi or PHI phenomenon and combine the two of those, the Pi one is where when you take sequential images and you actually Greek alphabet and you actually have them be slightly different from one to the next. And you say your brain connects the dots. Very good. If there's dragons and magic sure it can be as long as you want.
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