* * * * * Art of seeing without sight > So, we ask, how do you know how long these poles should be as they recede? > I was taught, he says. Not by any formal teacher, but by casual comments by > friends and acquaintances. How do you know about shadows? He learned that > too. He confides that for a long time he figured that if an object was red, > its shadow would be red too. “But I was told it wasn't,” he says. But how > do you know about red? He knows that there's an important visual quality to > seen objects called “colour” and that it varies from object to object. He's > memorised what has what colour and even which ones clash. > Via Jason Kottke [1], “Senses special: The art of seeing without sight [2]” An artist who can draw complicated scenes upon request, despite the rather small handicap of being blind—a very interesting article indeed. [1] http://www.kottke.org/remainder/05/02/7463.html [2] http://www.newscientist.com/channel/being- Email Sean Conner at sean@conman.org .