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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. 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.

  4. 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 ...

  5. The John Varley Reader - Wikipedia

    en.wikipedia.org/wiki/The_John_Varley_Reader

    In these pages are Hugo, Nebula, Prix Tour-Apollo, and James Tiptree Jr. Award winners, including “The Persistence of Vision,” “PRESS ENTER [ ],” “The Pusher,” and “The Barbie Murders,” among other outstanding works of speculative short fiction. As a valuable bonus, each story includes an autobiographical introduction by the ...

  6. The Persistence of Vision (novella) - Wikipedia

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

    "The Persistence of Vision" won the Nebula Award for Best Novella of 1978, [2] and the 1979 Hugo Award for Best Novella. [3]James Nicoll felt that, as the story was written by John Varley in the 1970s, it was "pretty much guaranteed to be well written and worth reading", and noted that its setting required "social despair".

  7. 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 ...

  8. Chemical weapons use in Syria must be investigated, says watchdog

    www.aol.com/news/us-sees-assads-fall-chance...

    AMSTERDAM (Reuters) -The head of the chemical weapons watchdog said on Thursday he would ask Syria's new leaders to grant investigators access to the country to continue work identifying ...

  9. Newton disc - Wikipedia

    en.wikipedia.org/wiki/Newton_disc

    Colour distribution of a Newton disk. The Newton disk, also known as the disappearing color disk, is a well-known physics experiment with a rotating disk with segments in different colors (usually Newton's primary colors: red, orange, yellow, green, blue, indigo, and violet, commonly known by the abbreviation ROYGBIV) appearing as white (or off-white or grey) when it's spun rapidly about its axis.

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