The 2014 winners of the Best Illusion of the Year Contest were announced this past Sunday. Hosted yearly since 2005 by the Neural Correlate Society, the contest celebrates "the ingenuity and creativity of the world's premier visual illusion research community."
Visual illusions aren't just cool — they can also help us understand how our visual system works. So prepare to be amazed, but also to learn, as you peruse this year's finalists and winners, including Christopher Blair, Gideon Caplovitz, and Ryan Mruczek's first-place winning "Dynamic Ebbinghaus," in which a central circle only appears to change in size as the circles around it change in size and location:
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