http://www.netvouz.com/url/f35a679e3dfd354e7acee15c2786ef5d?feed=rss Info about a link http://web.mit.edu/persci/people/adelson/checkershadow_illusion.html Optical Illusions Chuy Fri, 19 Oct 2007 21:49:53 GMT http://web.mit.edu/persci/people/adelson/checkershadow_illusion.html Folders > Misc abb Sun, 19 Mar 2006 19:50:10 GMT http://web.mit.edu/persci/people/adelson/checkershadow_illusion.html airpocket Tue, 13 Sep 2005 21:20:40 GMT http://web.mit.edu/persci/people/adelson/checkershadow_illusion.html fjordaan Fri, 16 Jul 2004 08:16:23 GMT