<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/2ea2dba8-0b23-4a7d-a453-cf2234118898/84A4F650-0511-4DEE-A25E-2F085DCF6EDD/" 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.scientificpsychic.com/graphics/" href="http://www.scientificpsychic.com/graphics/" style="font-size: 11px;">www.scientificpsychic.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.scientificpsychic.com/graphics/"><B>Perpetually ascending staircase.</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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.scientificpsychic.com/img/90F510ED-C700-492F-BF2A-21AD49501C5A" alt="Perpetually Ascending" /></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.scientificpsychic.com/graphics/"><B>The diagonal lines are parallel.</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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.scientificpsychic.com/img/0B98D2B8-0472-436C-8C92-C23F563A7309" alt="Parallel Diagonal Lines" /></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.scientificpsychic.com/graphics/"><B>Stairway between corners of a flat square.</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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.scientificpsychic.com/img/DD5E5B7D-4580-4E14-A4C8-6E96D3D05D88" alt="Stairway" /></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.scientificpsychic.com/graphics/"><B>Impossible triangle.</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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.scientificpsychic.com/img/74981F00-D88D-4B82-AAAE-19CE0116C468" alt="Impossible Triangle" /></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.scientificpsychic.com/graphics/"><B>The center circles are both the same size.</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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.scientificpsychic.com/img/BC1138AB-ED29-490C-A375-55F4E08041CC" alt="Center circles are equal" /></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.scientificpsychic.com/graphics/"><B>The pillars are identical in size.</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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.scientificpsychic.com/img/E8820262-CDAD-4624-AE29-9FE7295311E6" alt="Perspective" /></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.scientificpsychic.com/graphics/"><B>Ambiguous cubes</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.scientificpsychic.com/graphics/"><CENTER><IMG width="95" height="97" alt="Ambiguous Cube" src="http://www.scientificpsychic.com/graphics/cube1.gif" /> <IMG width="95" height="97" alt="Ambiguous Cube animation" src="http://www.scientificpsychic.com/graphics/cubeambig1.gif" /></CENTER></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.scientificpsychic.com/graphics/"><B>The shade of the center dot is the same in all the squares.</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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.scientificpsychic.com/img/DDB4E4ED-E9FD-485F-AACD-C90E4BD56F43" alt="Contrasting background" /></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.scientificpsychic.com/graphics/"><B>Wavy Squares? No!</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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.scientificpsychic.com/img/D4567604-C181-468C-8531-3F9A3EFA21A7" alt="Squares on Concentric Circles" /></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.scientificpsychic.com/graphics/"><B>Warped Squares?</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.scientificpsychic.com/graphics/"><CENTER> <IMG width="221" height="221" alt="Warped Square" src="http://www.scientificpsychic.com/graphics/warpedsq2.gif" /> <IMG width="221" height="221" alt="derived from A. Kitaoka" src="http://www.scientificpsychic.com/graphics/bulge2.gif" /> </CENTER></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.scientificpsychic.com/graphics/"><B>Afterimage</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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.scientificpsychic.com/img/3C126297-8A68-415C-9691-22C5EC1DFA55" alt="Afterimage" /></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.scientificpsychic.com/graphics/"><P align="justify"> An afterimage is a visual impression that remains in the retina after the initial stimulus is removed. The afterimage always has colors that are complementary to those of the original image. Look steadily at the cross in the center of the picture to see an afterimage.</P></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.scientificpsychic.com/graphics/"><B>Josephine sitting on the bleachers</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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.scientificpsychic.com/img/67ABCE5C-8DB9-400A-B968-4ED97D57FA9E" alt="Josephine sitting on the bleachers" /></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.scientificpsychic.com/graphics/"><B>Cube or Corner? </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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.scientificpsychic.com/img/1D188354-5F6D-446D-92F0-F20743DDA589" alt="Cube or corner" /></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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.scientificpsychic.com/img/DCC3912F-377D-4A7B-A8D2-87B6B06F4368" alt="Corner" /></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.scientificpsychic.com/graphics/"><B>Shifting gears</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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.scientificpsychic.com/img/BC930610-F2C4-41EA-B8A0-ADD0B6B76FB7" alt="Gears in motion - derived from A. Kitaoka" /></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.scientificpsychic.com/graphics/"><B>silhouette</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.scientificpsychic.com/graphics/"> Silhouettes may have ambiguous interpretations. In this example, the silhouette of the lady may be interpreted as a front view or as a back view</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.scientificpsychic.com/graphics/"><CENTER><IMG width="91" height="211" alt="silhouette" src="http://www.scientificpsychic.com/graphics/lady1.gif" /> <IMG width="91" height="211" alt="silhouette - front" src="http://www.scientificpsychic.com/graphics/lady2.gif" /> <IMG width="91" height="211" alt="silhouette - back" src="http://www.scientificpsychic.com/graphics/lady3.gif" /> </CENTER></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.scientificpsychic.com/graphics/"><B>The Great Wall</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.scientificpsychic.com/graphics/"><P align="justify"> Humpty Dumpty is about to take a great fall because he just found out that the two red lines are equal in length. Take a ruler and connect the tops or bottoms of the red lines.</P></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.scientificpsychic.com/graphics/"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.scientificpsychic.com/img/D9AB53C8-00AC-478C-BFCE-5E5011119BB9" alt="Humpty Dumpty" /></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/84A4F650-0511-4DEE-A25E-2F085DCF6EDD/blog/" title="blog or email this clip"><img src="http://content8.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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