ishihara plate – Matthew Petroff https://mpetroff.net mpetroff.net Wed, 13 Aug 2014 19:02:05 +0000 en-US hourly 1 A social commentary on color blindness. https://mpetroff.net/2011/10/a-social-commentary-on-color-blindness/ https://mpetroff.net/2011/10/a-social-commentary-on-color-blindness/#respond Mon, 17 Oct 2011 02:00:40 +0000 http://www.mpetroff.net/?p=282 fig. 1
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