Illusion from Rotating Rings

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Are the rings rotating together as one entity or are they sliding with respect to one another?


If the brightness of the intersections where the rings overlap makes the rings look transparent, they slide. If not, they stick and rotate as one entity.


Contributed by: Nathan Lian (February 2016)
Open content licensed under CC BY-NC-SA




[1] S. Anstis and P. Cavanagh. "Illusions from Rotating Rings." The Best Illusion of the Year Contest. (Feb 5, 2016)

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