File:Grey square optical illusion.PNG
From Infogalactic: the planetary knowledge core
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Original file (1,087 × 844 pixels, file size: 143 KB, MIME type: image/png)
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:58, 5 January 2017 | | 1,087 × 844 (143 KB) | 127.0.0.1 (talk) | <p>An optical illusion. Square A is exactly the same shade of grey as square B. See <a href="//commons.wikimedia.org/wiki/File:Same_color_illusion_proof2.png" title="File:Same color illusion proof2.png">demonstration</a>. </p> |
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File usage
The following 12 pages link to this file:
- Cognitive science
- Color constancy
- Illusion
- Infogalactic:Featured picture candidates/delist/Grey square optical illusion
- Infogalactic:Featured pictures/Diagrams, drawings, and maps/Drawings
- Infogalactic:Featured pictures thumbs 01
- Infogalactic:POTD/December 16, 2005
- Infogalactic:POTD/February 19, 2005
- Infogalactic:POTD/November 5, 2004
- Infogalactic:Picture of the day/December 16, 2005
- Infogalactic:Picture of the day/February 19, 2005
- Infogalactic:Picture of the day/November 5, 2004
