20 Amazing Optical illusions! (pictures)


	20 Amazing Optical illusions! (pictures)

constantskeptic

9-17-2007 11:27 AM

2841 views

tags:

pictures, amazing, interesting, funny

constantskeptic says:

Great collection of optical illusions, many more on the original link.

2 Comments |

Add a Comment

9-17-2007 11:51 AM

tabsey

Thank you.

9-17-2007 7:44 PM

xdsfire

This is just amazing.

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<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://www.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/db2af9a4-47c9-4e69-989a-b0739e0dac2f/A8682137-51DD-444C-A305-B3742CA3CDC5/" 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://listverse.com/miscellaneous/20-amazing-optical-illusions/" href="http://listverse.com/miscellaneous/20-amazing-optical-illusions/" style="font-size: 11px;">listverse.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/miscellaneous/20-amazing-optical-illusions/"><DIV class="art-title"><A title="Permalink: 20 Amazing Optical Illusions" rel="bookmark" href="http://listverse.com/miscellaneous/20-amazing-optical-illusions/">20 Amazing Optical Illusions</A></DIV></blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.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://content9.clipmarks.com/images/clip-icon.gif" 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://listverse.com/miscellaneous/20-amazing-optical-illusions/" href="http://listverse.com/miscellaneous/20-amazing-optical-illusions/" style="font-size: 11px;">listverse.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://listverse.com/miscellaneous/20-amazing-optical-illusions/"><P><SPAN class="litem">1. Blivet</SPAN></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://listverse.com/miscellaneous/20-amazing-optical-illusions/"><P><A href="http://listverse.com/wp-content/uploads/2007/09/pic-blivet.jpg"><IMG width="300" vspace="4" hspace="4" height="155" border="1" alt="Pic Blivet" src="http://listverse.com/wp-content/uploads/2007/09/pic-blivet-tm.jpg" /></A></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://listverse.com/miscellaneous/20-amazing-optical-illusions/"><P><SPAN class="litem">3. Café Wall Illusion</SPAN></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://listverse.com/miscellaneous/20-amazing-optical-illusions/"><P><A href="http://listverse.com/wp-content/uploads/2007/09/800px-cafe-wall.svg.png"><IMG width="300" vspace="4" hspace="4" height="192" border="1" alt="800Px-Café Wall.Svg" src="http://listverse.com/wp-content/uploads/2007/09/800px-cafe-wall.svg-tm.jpg" /></A></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://listverse.com/miscellaneous/20-amazing-optical-illusions/"><P>The café wall illusion is an optical illusion, first described by Doctor <A href="http://amazon.com/gp/product/0691048371?ie=UTF8&tag=jamifrat-20&link_code=em1&camp=212341&creative=384049&creativeASIN=0691048371&adid=4f281942-24ca-4248-b4ab-c77ed7ad1d37" target="_blank" id="amzn_cl_link_0" name="0691048371">Richard Gregory</A>. He observed this curious effect in the tiles of the wall of a café at the bottom of St Michael’s Hill, Bristol. This optical illusion makes the parallel straight horizontal lines appear to be bent. To construct <A href="http://amazon.com/gp/product/0881452319?ie=UTF8&tag=jamifrat-20&link_code=em1&camp=212341&creative=384049&creativeASIN=0881452319&adid=5bc7663c-24da-4e18-a978-d26017a2db79" target="_blank" id="amzn_cl_link_1" name="0881452319">the illusion</A>, alternating light and dark “bricks” are laid in staggered rows. It is essential for the illusion that each “brick” is surrounded by a layer of “mortar” (the grey in the image). This should ideally be of a color in between the dark and light color of the “bricks”.</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://listverse.com/miscellaneous/20-amazing-optical-illusions/"><P><SPAN class="litem">6. Fraser Spiral Illusion</SPAN></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://listverse.com/miscellaneous/20-amazing-optical-illusions/"><P><A href="http://listverse.com/wp-content/uploads/2007/09/597px-fraser-spiral.svg.png"><IMG width="300" vspace="4" hspace="4" height="301" border="1" alt="597Px-Fraser Spiral.Svg" src="http://listverse.com/wp-content/uploads/2007/09/597px-fraser-spiral.svg-tm.jpg" /></A></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://listverse.com/miscellaneous/20-amazing-optical-illusions/"><P>The illusion is also known as the false spiral, or by its original name, the twisted cord illusion. The overlapping black arc segments appear to form a spiral; however, the arcs are a series of concentric circles.</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://listverse.com/miscellaneous/20-amazing-optical-illusions/"><P><SPAN class="litem">8. Hering Illusion</SPAN></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://listverse.com/miscellaneous/20-amazing-optical-illusions/"><P><A href="http://listverse.com/wp-content/uploads/2007/09/320px-hering-illusion.svg.png"><IMG width="187" vspace="4" hspace="4" height="300" border="1" alt="320Px-Hering Illusion.Svg" src="http://listverse.com/wp-content/uploads/2007/09/320px-hering-illusion.svg-tm.jpg" /></A></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://listverse.com/miscellaneous/20-amazing-optical-illusions/">The two <A href="http://amazon.com/gp/product/B000L3GXWK?ie=UTF8&tag=jamifrat-20&link_code=em1&camp=212341&creative=384049&creativeASIN=B000L3GXWK&adid=54ffa264-5174-41ac-b655-133ca1144c1f" target="_blank" id="amzn_cl_link_3" name="B000L3GXWK">vertical lines</A> are both straight, but they look as if they were bowed outwards.</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/A8682137-51DD-444C-A305-B3742CA3CDC5/blog/" title="blog or email this clip"><img src="http://content6.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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