<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/1ad1dd97-e4a2-4f9f-b072-c497b08dae4d/39F8BDC8-D69E-416D-B9E9-3D34A9B88216/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.darkroastedblend.com/2007/07/optical-illusions-update.html" href="http://www.darkroastedblend.com/2007/07/optical-illusions-update.html" style="font-size: 11px;">www.darkroastedblend.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.darkroastedblend.com/2007/07/optical-illusions-update.html"><B>Your eyes see one thing, your mind believes another!</B></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.darkroastedblend.com/2007/07/optical-illusions-update.html"><I>Welcome our guest blogger Stefan Van den Bergh, who runs the <A href="http://www.planetperplex.com/en/index.html">"Planet Perplex"</A> website. He writes: "I've been fascinated by illusions and everything like it for as long as I remember. Over the years I've made several sites about them, and built an extensive collection." It's been long since we had an <A href="http://www.darkroastedblend.com/2006/10/optical-illusions-extravaganza.html">article</A> about optical illusions, so it's time for another installment in this highly popular series.</I></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.darkroastedblend.com/2007/07/optical-illusions-update.html"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.darkroastedblend.com/img/BF79CE54-75DE-41E8-A5A1-A9D60A1130BB" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.darkroastedblend.com/2007/07/optical-illusions-update.html"><DIV>The last not-quite-moving one is also a classic but too good to leave it out. Stare at the black dot and move your head back and forth from the screen. The wheels will start turning ...</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.darkroastedblend.com/2007/07/optical-illusions-update.html"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.darkroastedblend.com/img/3685AFE8-F1BC-4098-9560-21CD620A8CC1" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.darkroastedblend.com/2007/07/optical-illusions-update.html">This little animation is fast becoming very popular - and no wonder: when you first look at the spinning girl, her rotation is probably <B>clockwise</B>. But if you start to concentrate on her shadow instead, suddenly her rotation switches to <B>counter-clockwise</B>! It may take some time, but the moment it happens, you are going to be genuinely surprised...</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.darkroastedblend.com/2007/07/optical-illusions-update.html"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.darkroastedblend.com/img/BEF28D37-67EA-4331-9A38-D84131D061AE" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.darkroastedblend.com/2007/07/optical-illusions-update.html"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.darkroastedblend.com/img/DC02567D-E483-43ED-BDC9-5FCE56404987" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.darkroastedblend.com/2007/07/optical-illusions-update.html"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.darkroastedblend.com/img/0E2C4898-31B0-486B-9B05-AB0F652E94A1" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.darkroastedblend.com/2007/07/optical-illusions-update.html"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.darkroastedblend.com/img/40B38CAD-F532-4591-AE06-074C11F21FC4" alt="" /></div></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/39F8BDC8-D69E-416D-B9E9-3D34A9B88216/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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