Monday, March 30, 2015

Bezold Effect (Optical Illusion) Post Cards


tagged with: optics, optical illusion, illusions, psyche, brain teaser, psychology, humor, visual perception, bezhold effect, words and unwords, psychologist, cognitive effects, science, scientific, attitude, geek, perception, color, wilhelm von bezhold, riddles, brain teasers

When you take a look at the picture are some of the red lines darker than others? Showcase the Bezhold effect with any of these optical illusion gifts. Explanation caption says the following: "Notice that the red seems lighter when combined with white & that the red appears darker when combined with black. This optical illusion is named after Wilhelm von Bezhold (1837 - 1907), who discovered that a color may appear different depending upon its relation to adjacent colors." Educational visual fun psyche / psychology attitude for those who understand that color is relative!

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