File:Optical greysquares 3D.png
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Size of this preview: 800 × 567 pixels. Other resolutions: 320 × 227 pixels | 640 × 454 pixels | 1,024 × 726 pixels | 1,215 × 861 pixels.
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An optical illusion. Square A is exactly the same shade of grey as square B. Rendered with POV-ray by Florian Koch.
 
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:03, 6 July 2015 | | 1,215 × 861 (67 KB) | Cmdrjameson (talk | contribs) | Compressed with pngout. Reduced by 26kB (28% decrease). |
| 20:23, 7 April 2005 |  | 1,215 × 861 (94 KB) | Florenco~commonswiki (talk | contribs) | ||
| 20:20, 7 April 2005 |  | 1,280 × 934 (105 KB) | Florenco~commonswiki (talk | contribs) | ||
| 19:57, 7 April 2005 |  | 1,215 × 861 (94 KB) | Florenco~commonswiki (talk | contribs) | An optical illusion. Square A is exactly the same shade of grey as square B. Rendered with POV-ray by Florian Koch. {{cc-sa}} |
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