File:Grey square optical illusion proof2.svg

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Original file ‎(SVG file, nominally 764 × 591 pixels, file size: 37 KB)

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Description
English: Vectorised version of https://commons.wikimedia.org/wiki/File:Same_color_illusion_proof2.png
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Source File created by Adrian Pingstone, based on the original created by Edward H. Adelson
Author Original by Edward H. Adelson

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inception

19 December 2015

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Date/TimeThumbnailDimensionsUserComment
current16:20, 19 December 2015Thumbnail for version as of 16:20, 19 December 2015764 × 591 (37 KB)DomdomeggUser created page with UploadWizard
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