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Contrasts
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Mach bands
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| Our vision amplifies the effect of contrast at the
borders of coloured areas. Discover what this means! |
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Irradiation
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| Why do white squares on a black background appear larger
than black squares of the same size on a white background? |
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Kanizsa’s triangle
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| The human eye can link up parts of a shape to form a
complete image. Discover how this works. |
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Transparency
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| Colour areas of exactly the same shade appear to have a
different brightness. How does this effect arise? |
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