http://radio.weblogs.com/0149426/categories/art/ Copyright 2006 John Bates Sun, 29 Jan 2006 13:10:23 GMT http://backend.userland.com/rss Radio UserLand v8.2.1 john@hciyork.co.uk john@hciyork.co.uk rssUpdates 0 1 2 3 4 5 8 9 60 http://radio.weblogs.com/0149426/categories/art/2006/01/08.html#a4 <H3>Anamorphic Illusions</H3><BR><BR> <TABLE> <TBODY> <TR width="600"> <TD vAlign=top>Julian Beever creates <A href="http://users.skynet.be/J.Beever/pave.htm">anamorphic illusions</A>, his canvas is the street pavement. He paints everyday objects as if they had been discarded right there on the street. These street paintings when viewed from the intended angle take on a 3D appearance, but when viewed from any other position betray their true and flat form. Not everyone appreciates pavement art. On occasions, a painting has to be abandoned after a complaint from a member of the public, perhaps after a full day's work. </TD> <TD vAlign=top><IMG height=150 alt="The Real Thing" src="http://radio.weblogs.com/0149426/images/coke.jpg"></TD></TR></TBODY></TABLE> http://radio.weblogs.com/0149426/categories/art/2006/01/08.html#a4 Sun, 08 Jan 2006 17:00:02 GMT http://radiocomments2.userland.com/comments?u=149426&amp;p=4&amp;link=http%3A%2F%2Fradio.weblogs.com%2F0149426%2F2006%2F01%2F08.html%23a4 http://radio.weblogs.com/0149426/categories/art/2005/12/06.html#a2 <H3>Checkershadow Illusion</H3><BR><BR> <TABLE> <TBODY> <TR width="600"> <TD vAlign=top>Isn't this the best illusion you've ever seen? The squares marked A and B really are the same shade of grey. If you don't believe me click <A href="http://web.mit.edu/persci/people/adelson/checkershadow_illusion.html">here</A>. Want the <A href="http://web.mit.edu/persci/people/adelson/checkershadow_proof.html">proof</A> and the <A href="http://web.mit.edu/persci/people/adelson/checkershadow_description.html">explanation</A>? The science behind the illusion is explained in a paper entitled "Lightness Perception and Lightness Illusion" written by Edward H. Adelson of the Department of Brain and Cognitive Sciences at the Massachusetts Institute of Technology. </TD> <TD vAlign=top><IMG height=300 alt=Illusion src="http://radio.weblogs.com/0149426/images/checkershadow_illusion4med.jpg"></TD></TR></TBODY></TABLE><EM>"Every light is a shade, compared to the higher lights, till you come to the sun; and every shade is a light, compared to the deeper shades, till you come to the night."</EM> John Ruskin, 1879. http://radio.weblogs.com/0149426/categories/art/2005/12/06.html#a2 Tue, 06 Dec 2005 17:02:24 GMT http://radiocomments2.userland.com/comments?u=149426&amp;p=2&amp;link=http%3A%2F%2Fradio.weblogs.com%2F0149426%2F2005%2F12%2F06.html%23a2