Image:Gradient-optical-illusion.svg

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[edit] Summary

Description

Simultaneous Contrast Illusion. The horizontal grey bar is the same shade throughout. Check this by covering everything except the bar.
Source

own work
Date

05.01.2007
Author

Dodek
Permission

see below
Other versions Image:Gradient.illusion.arp.jpg

[edit] Licensing

I, the author of this work, hereby publish it under the following license:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

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