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Summary
DescriptionWhites illusion.svg
English: Rectangles A, on the left, look much darker than the rectangles B, on the right. However, rectangles A and B reflect the same amount of light. The rectangles at A and B appear different, even though they are printed from the same ink and reflect the same amount of light.
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http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse