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  2. Persistence of vision - Wikipedia

    en.wikipedia.org/wiki/Persistence_of_vision

    Persistence of vision is the optical illusion that occurs when the visual perception of an object does not cease for some time after the rays of light proceeding from it have ceased to enter the eye. [1] The illusion has also been described as "retinal persistence", [2] "persistence of impressions", [3] simply "persistence" and other variations ...

  3. Flicker fusion threshold - Wikipedia

    en.wikipedia.org/wiki/Flicker_fusion_threshold

    It is a concept studied in vision science, more specifically in the psychophysics of visual perception. A traditional term for "flicker fusion" is "persistence of vision", but this has also been used to describe positive afterimages or motion blur. Although flicker can be detected for many waveforms representing time-variant fluctuations of ...

  4. The Persistence of Vision (novella) - Wikipedia

    en.wikipedia.org/wiki/The_Persistence_of_Vision...

    The Persistence of Vision" is a short story by American writer John Varley. It was included in the anthology of the same name and in The John Varley Reader.

  5. Beta movement - Wikipedia

    en.wikipedia.org/wiki/Beta_movement

    The illusion of motion caused by animation and film is sometimes believed to rely on beta movement, as an alternative to the older explanation known as persistence of vision. However, the human visual system can't distinguish between the short-range apparent motion of film and real motion, while the long-range apparent motion of beta movement ...

  6. Persistence of vision (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Persistence_of_vision...

    Persistence of vision is the optical illusion that occurs when visual perception of an object does not cease for some time after the rays of light proceeding from it have ceased to enter the eye. Persistence of Vision may also refer to: Persistence of Vision (Star Trek: Voyager), 8th episode of 2nd season of Star Trek: Voyager

  7. Thaumatrope - Wikipedia

    en.wikipedia.org/wiki/Thaumatrope

    The toy has traditionally been thought to demonstrate the principle of persistence of vision, a disputed explanation for the cause of illusory motion in stroboscopic animation and film. Examples of common thaumatrope pictures include a bare tree on one side of the disk, and its leaves on the other, or a bird on one side and a cage on the other.

  8. Donald R. Keough - Pay Pals - The Huffington Post

    data.huffingtonpost.com/paypals/donald-r-keough

    From January 2008 to December 2012, if you bought shares in companies when Donald R. Keough joined the board, and sold them when he left, you would have a 9.0 percent return on your investment, compared to a -2.8 percent return from the S&P 500.

  9. POV-Ray - Wikipedia

    en.wikipedia.org/wiki/POV-Ray

    The Persistence of Vision Ray Tracer, most commonly acronymed as POV-Ray, is a cross-platform ray-tracing program that generates images from a text-based scene description. It was originally based on DKBTrace, written by David Kirk Buck and Aaron A. Collins for Amiga computers.