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Accidental illusion

Cherry tomato with single colour border that appears to shift from orange to red.

 

As highlighted in the recent "What colour is this dress?", people are wedded to the idea that colours are properties of objects, when they are in fact made up by the brain.

 

The phenomenon is described in the New Scientist article: www.newscientist.com/article/dn27048-what-colour-is-the-d...

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Uploaded on February 26, 2015
Taken on February 26, 2015