NTNUJAVA Virtual Physics Laboratory
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Progress is impossible without change; and those who cannot change their minds cannot change anything. ..."George Bernard Shaw(1865-1950, Irish dramatist, essayist and critic, Nobel Prize for Literature 1925)"
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Author Topic: illusion: Two identical color dots?  (Read 5574 times)
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Fu-Kwun Hwang
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on: January 03, 2011, 11:03:32 am » posted from:Taipei,T'ai-pei,Taiwan

Are those two dots the same color?

Try to drag the above rectangle blocks down (with mouse drag and drop)
 and check out the color for those two dots again. Are they the same now?

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P.S. http://en.wikipedia.org/wiki/Chubb_illusion
The Chubb illusion is an optical illusion wherein the apparent contrast of an object varies dramatically, depending on the context of the presentation. Low-contrast texture surrounded by a uniform field appears to have higher contrast than when it is surrounded by high-contrast texture. This was observed and documented by Charles Chubb and colleagues in 1989


* illusion_chubb.jpg (11.14 KB, 406x399 - viewed 425 times.)
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Progress is impossible without change; and those who cannot change their minds cannot change anything. ..."George Bernard Shaw(1865-1950, Irish dramatist, essayist and critic, Nobel Prize for Literature 1925)"
 
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