File:Spinning Dancer.gif

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	10:49, 12 January 2017		300 × 400 (204 KB)	127.0.0.1 (talk)	<span class="langlabel-en" lang="en" style="font-weight:bold;">English: </span> <a href="https://en.wikipedia.org/wiki/The_Spinning_Dancer" class="extiw" title="en:The Spinning Dancer">The Spinning Dancer</a> is a kinetic, <a href="https://en.wikipedia.org/wiki/Multistable_perception" class="extiw" title="en:Multistable perception">bistable</a> <a href="https://en.wikipedia.org/wiki/optical_illusion" class="extiw" title="en:optical illusion">optical illusion</a> resembling a <a href="https://en.wikipedia.org/wiki/Glossary_of_ballet#Pirouette" class="extiw" title="en:Glossary of ballet">pirouetting</a> female dancer. Some observers initially see the figure as spinning clockwise and some anticlockwise. Additionally, some may see the figure suddenly spin in the opposite direction. The illusion derives from an inherent <a href="https://en.wikipedia.org/wiki/isometric_illusion" class="extiw" title="en:isometric illusion">ambiguity</a> from the lack of visual cues for depth. There are other optical illusions that originate from the same or similar kind of visual ambiguity, such as the <a href="https://en.wikipedia.org/wiki/Necker_cube" class="extiw" title="en:Necker cube">Necker cube</a>.

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