Ebbinghaus illusion (IMAGE)
Caption
The famous Ebbinghaus illusion, named for its discoverer, the German psychologist Hermann Ebbinghaus (1850–1909). Despite appearances, the two orange circles are the same size.
Credit
Wikimedia Commons, public domain https://upload.wikimedia.org/wikipedia/commons/b/bc/Mond-vergleich.svg
Usage Restrictions
No restrictions.
License
Public Domain