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PUBLIC MARKS from ycc2106 with tags illusion & fun

04 May 2006

31 March 2006

14 March 2006

eChalk colour perception: This is the most amazing optical effect in the world

by 4 others
Our perception of color is strongly affected by the coulors surrouning it. In fact it is possible to perseive two identical colors as being very different is the are placed on different backgrounds.

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