The following optical illusions are called AFTER IMAGES. The nature of our visual system allows us to sometimes see "after images" which appear once the original stimuli are removed. The colors in this type of optical illusion are usually the opposite or complementary colors of the original.
Instructions: Stare at the center of the figure for 45 seconds. Move your gaze to a blank white surface and see the correct colors appear. It's advised to have a blank white sheet of paper at hand to make it easier looking for a blank white area. Go ahead and try to make one yourself. Enjoy!
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Sunday, September 9, 2007
Optical Illusions 2
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