This blog is all about Anh Pham's op art, vision science and his collection
(to view the illusion you have to install adobe shockwave player: http://www.adobe.com/products/shockwaveplayer/)
Monday, November 29, 2010
Changing Width Illusion
In this video, the rectangle's width is constant, but its appears its width is changing. The contrast between darker grey and purple is stronger than between light grey and purple, this is reason for the illusion.
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