http://blogs.msdn.com/ianm/archive/2005/08/19/453737.aspxIf you haven't come across this before, it's really quite surprising. Stare at the crosshairs in the centre of this picture. After a short while you'll notice that there is a green dot revolving around, replacing each purple dot in turn. Then if you keepen-GBCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/ianm/archive/2005/08/19/453737.aspx#454805Tue, 23 Aug 2005 00:58:46 GMT91d46819-8472-40ad-a661-2c78acb4018c:454805Simon Thorneycroft and Jonathan HodgsonI really like optical illusions&amp;amp;nbsp;and this post by Ian Moulster&amp;amp;nbsp;caught by eye. <br>If you stare...http://blogs.msdn.com/ianm/archive/2005/08/19/453737.aspx#455029Tue, 23 Aug 2005 12:25:42 GMT91d46819-8472-40ad-a661-2c78acb4018c:455029ianmNice work! I'm glad someone rose to the challenge. Thanks Simon/Jonathan.http://blogs.msdn.com/ianm/archive/2005/08/19/453737.aspx#456798Fri, 26 Aug 2005 20:18:04 GMT91d46819-8472-40ad-a661-2c78acb4018c:456798Tim SneathIan Moulster recently sent out a XAML developer challenge to recreate an optical illusion in XAML. Jonathan...http://blogs.msdn.com/ianm/archive/2005/08/19/453737.aspx#492032Sat, 12 Nov 2005 08:49:17 GMT91d46819-8472-40ad-a661-2c78acb4018c:492032rendy maulanacool... this illusion make me dizzy.. ;)http://blogs.msdn.com/ianm/archive/2005/08/19/453737.aspx#496665Thu, 24 Nov 2005 15:32:07 GMT91d46819-8472-40ad-a661-2c78acb4018c:496665Riky KurniawanIt's funny..never crossed in my minds it will turn greenhttp://blogs.msdn.com/ianm/archive/2005/08/19/453737.aspx#1479979Tue, 16 Jan 2007 23:57:08 GMT91d46819-8472-40ad-a661-2c78acb4018c:1479979Kyle Cheese<p>It hurt my eyes!!!!!!!!!!!!!!!!!!!!!!</p>