Optical Illusion Explanation?

From: GFFeliz_at_No-Spam
Date: Sun Oct 30 2005 - 12:01:48 PST

I received this link showing an interesting optical illusion based on
averted vision and use of rods vs cones:
 
_http://www.patmedia.net/marklevinson/cool/cool_illusion.html_
(http://www.patmedia.net/marklevinson/cool/cool_illusion.html)

Does anyone have a simple explanation for what is occuring?
 
Thanks,
George
Received on Sun Oct 30 12:05:04 2005


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