Vision is a Dynamic Process

"Everything we see in space is observed as time advances. even the recording of a motionless black dot fixed in colorless three-dimensional space constitutes a movie, because the retina sees it continuously as time advances."

Frank Werblin and Botond Roska, "The Movies in Our Eyes," Scientific American, April 2007.

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Every step is a first step if it's a step in the right direction. - Terry Pratchett, I Shall Wear Midnight
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