"Gregory's table illusion" The two parallelograms are the same in shape, but in the left one the right and left sides appear to taper downward while in the right one they appear to taper upward. Gregory, R. L. (1998) Eye and Brain, the fifth edition Oxford Univ. Press. (pp. 232)pic.twitter.com/VG6wGs9J0n
9:39 PM - 28 Aug 2018
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