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date: 20 October 2021

flicker fusion 

A Dictionary of Media & Communication

Daniel Chandler,

Rod Munday

The phenomenon where the strobing of a light source flashing on and off appears to disappear when the frequency of its flashes exceeds 48 times a second. Flicker fusion is a symptom of a limitation of human vision that fails to detect rapid movement of any kind. It is exploited in fluorescent lighting and in the cinema serves to mask the rapid blackouts between projected frames. Discredited ... ...

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