http://www.switched.com/2010/01/08/crazy-nuts-optical-illusion-drives-us-crazy-and-nuts/ Switched Comments for 'Crazy Nuts' Optical Illusion Drives Us Crazy and Nuts http://www.switched.com/media/feedlogo.gif http://www.switched.com en-us Copyright 2012 Weblogs, Inc. The contents of this feed are available for non-commercial use only. Blogsmith http://www.blogsmith.com/http://www.switched.com/2010/01/08/crazy-nuts-optical-illusion-drives-us-crazy-and-nuts/http://www.switched.com/2010/01/08/crazy-nuts-optical-illusion-drives-us-crazy-and-nuts/
just a paper with folded edges to make it look 3d, but completely in the opposite way our mind interprets.]]>Jan 8th 2010 2:52PM