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  2. List of optical illusions - Wikipedia

    en.wikipedia.org/wiki/List_of_optical_illusions

    The Hollow-Face illusion is an optical illusion in which the perception of a concave mask of a face appears as a normal convex face. Hybrid image: A Hybrid image is an optical illusion developed at MIT in which an image can be interpreted in one of two different ways depending on viewing distance. Illusory contours

  3. Illusory motion - Wikipedia

    en.wikipedia.org/wiki/Illusory_motion

    Billboards and other electronic signs use apparent motion to simulate moving text by flashing lights on and off as if the text is moving.. The term illusory motion, or motion illusion or apparent motion, refers to any optical illusion in which a static image appears to be moving due to the cognitive effects of interacting color contrasts, object shapes, and position. [1]

  4. Spinning dancer - Wikipedia

    en.wikipedia.org/wiki/Spinning_Dancer

    The spinning dancer is a kinetic, bistable optical illusion resembling a rotating female dancer. The Spinning Dancer, also known as the Silhouette Illusion, is a kinetic, bistable, animated optical illusion originally distributed as a GIF animation showing a silhouette of a pirouetting female dancer.

  5. Optical illusion - Wikipedia

    en.wikipedia.org/wiki/Optical_illusion

    Optical illusion is also used in film by the technique of forced perspective. Op art is a style of art that uses optical illusions to create an impression of movement, or hidden images and patterns. Trompe-l'œil uses realistic imagery to create the optical illusion that depicted objects exist in three dimensions.

  6. List of Internet phenomena - Wikipedia

    en.wikipedia.org/wiki/List_of_Internet_phenomena

    The Dress – An image of a dress posted to Tumblr that, due to how the photograph was taken, created an optical illusion where the dress would either appear white and gold, or blue and black. Within 48 hours, the post gained over 400,000 notes and was later featured on many different websites.

  7. Phenakistiscope - Wikipedia

    en.wikipedia.org/wiki/Phenakistiscope

    Arrayed radially around the disc's center is a series of pictures showing sequential phases of the animation. Small rectangular apertures are spaced evenly around the rim of the disc. The user would spin the disc and look through the moving slits at the images reflected in a mirror.

  8. Wagon-wheel effect - Wikipedia

    en.wikipedia.org/wiki/Wagon-wheel_effect

    The wagon-wheel effect (alternatively called stagecoach-wheel effect) is an optical illusion in which a spoked wheel appears to rotate differently from its true rotation. The wheel can appear to rotate more slowly than the true rotation, it can appear stationary, or it can appear to rotate in the opposite direction from the true rotation ...

  9. Ambigram - Wikipedia

    en.wikipedia.org/wiki/Ambigram

    For all these types of images, certain ambigrams exist, and can be combined with visuals of the same type. John Langdon designed a figure-ground ambigram "optical illusion" with the two words "optical" and "illusion", one forming the figure and the other the background. "Optical" is easier to see initially but "illusion" emerges with longer ...