Archimedes Lab Optical Illusions http://www.archimedes-lab.org/index_optical.html Visual illusions, perception puzzles, cognitive illusions, paradoxes, galleries... en-us, fr, it Copyright 2009, G. Sarcone contact@archimedes-lab.org (G. Sarcone) Archimedes Lab http://www.archimedes-lab.org/im_navpics2/archim_cartoonvercl.gif http://www.archimedes-lab.org/index_optical.html 300 115 What bothers colorblind people most? http://visual-illusions.blogspot.com/2009/09/what-color-does-it-look-to-you.html http://visual-illusions.blogspot.com/2009/09/what-color-does-it-look-to-you.html 2009-12-02 11:33:38 Monthly Optical Illusion http://archimedes-lab.org/page10b_optic.html http://archimedes-lab.org/page10b_optic.html 2009-10-30 11:33:38 Optical Illusion Gallery http://archimedes-lab.org/Gallery/new_optical_illusions.html http://archimedes-lab.org/Gallery/new_optical_illusions.html 2009-10-30 11:32:37 Macabre Optical Illusions http://archimedes-lab.org/skull_illusions.html http://archimedes-lab.org/skull_illusions.html 2009-10-30 11:31:28 Colors of the Mind http://archimedes-lab.org/color_optical_illusions.html http://archimedes-lab.org/color_optical_illusions.html 2009-10-30 11:29:38 Our Grand Parent Illusions http://archimedes-lab.org/vintage_optical_illusions.html http://archimedes-lab.org/vintage_optical_illusions.html 2009-10-30 11:28:40 Ishihara Color Blindness Test http://archimedes-lab.org/colorblindnesstest.html http://archimedes-lab.org/colorblindnesstest.html 2009-10-30 11:26:39 Amazing Ambigrams http://archimedes-lab.org/ambigrams.html http://archimedes-lab.org/ambigrams.html 2009-10-30 11:17:26 Magic Droodles http://www.archimedes-lab.org/droodles.html http://www.archimedes-lab.org/droodles.html 2009-10-30 04:40:38