tagged with: optical illusion, illusions, brain teaser, psychology, cognitive effects, geek, ebbinghaus illusion, which orange circle is larger, relative size perception, words and unwords, optics, psyche, psychologist, gag gifts, science, scientific, humor, attitude, perception, visual perception, visual effect, titchener circles, experimental psychology, riddles, brain teasers
Showcase your wry optical illusion attitude with this poster featuring the Ebbinghaus illusion. Caption explains the optical illusion: "Answer: The 2 orange circles are the same size, but the one on the left seems smaller due to being surrounded by larger objects. This phenomenon is known as the Ebbinghaus illusion." Also known as Titchener circles. Educational optical illusion poster for all who enjoy visual humor.
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