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Goblet Illusion

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An Illusion in which the eye alternately sees two black faces, or a white goblet.


Fineman, M. The Nature of Visual Illusion. New York: Dover, pp. 111 and 115, 1996.

Rubin, E. Synoplevede Figurer. Copenhagen, Denmark: Gyldendalske, 1915.

What's Up with Kids Magazine. ``Reversible Goblet.''

© 1996-9 Eric W. Weisstein