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	<title>MetaFilter posts tagged with Escher</title>
	<link>http://www.metafilter.com/tags/Escher</link>
	<description>Posts tagged with 'Escher' at MetaFilter.</description>
	<pubDate>Sat, 30 May 2009 21:30:41 -0800</pubDate> <lastBuildDate>Sat, 30 May 2009 21:30:41 -0800</lastBuildDate>

	<language>en-us</language>
	<docs>http://blogs.law.harvard.edu/tech/rss</docs>
	<ttl>60</ttl>
	<item>
		<title>I am a strange loop.</title>
		<link>http://www.metafilter.com/82063/I%2Dam%2Da%2Dstrange%2Dloop</link>
		<description>&lt;a href="http://prelectur.stanford.edu/lecturers/hofstadter/excerpts.html"&gt;Douglas Hofstadter&apos;s&lt;/a&gt; &lt;em&gt;&lt;a href=&quot;http://en.wikipedia.org/wiki/G%C3%B6del,_Escher,_Bach&quot;&gt;G&amp;#0246;del, Escher, Bach: An Eternal Golden Braid&lt;/a&gt;&lt;/em&gt; has been recorded as &lt;a href=&quot;http://ocw.mit.edu/OcwWeb/hs/geb/VideoLectures/&quot;&gt;a series of video lectures&lt;/a&gt; for MIT&apos;s &lt;a href=&quot;http://ocw.mit.edu/OcwWeb/web/home/home/index.htm&quot;&gt;Open Courseware&lt;/a&gt; project.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2009:site.82063</guid>
		<pubDate>Sat, 30 May 2009 21:30:41 -0800</pubDate>
		<category>Art</category>
		<category>Bach</category>
		<category>Course</category>
		<category>Escher</category>
		<category>fractal</category>
		<category>GEB</category>
		<category>Godel</category>
		<category>identity</category>
		<category>KillYourTelevision</category>
		<category>Learn</category>
		<category>Lecture</category>
		<category>logic</category>
		<category>Math</category>
		<category>metaphysic</category>
		<category>MIT</category>
		<category>OCW</category>
		<category>Open</category>
		<category>philosophy</category>
		<category>recursive</category>
		<category>Science</category>
		<category>Video</category>
		<dc:creator>loquacious</dc:creator>
	</item>
      <item>
		<title>Droste Effect Video</title>
		<link>http://www.metafilter.com/76854/Droste%2DEffect%2DVideo</link>
		<description> You might have seen the &lt;a href=&quot;http://en.wikipedia.org/wiki/Droste_effect&quot;&gt;Droste&lt;/a&gt; &lt;a href=&quot;http://www.flickr.com/groups/escherdroste/pool/&quot;&gt;Effect&lt;/a&gt; before, perhaps even the &lt;a href=&quot;http://www.clublaugh.com/es-items/712.swf&quot;&gt;animated&lt;/a&gt; version. But here&apos;s a new iteration - &lt;a href=&quot;http://www.vimeo.com/1654232&quot;&gt;a music video&lt;/a&gt;.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2008:site.76854</guid>
		<pubDate>Tue, 25 Nov 2008 08:45:24 -0800</pubDate>
		<category>bravebulgingbuoyantclairvoyants</category>
		<category>drosteeffect</category>
		<category>escher</category>
		<category>mathematics</category>
		<category>musicvideo</category>
		<category>oneinthree</category>
		<category>spiral</category>
		<category>wildbeasts</category>
		<dc:creator>le morte de bea arthur</dc:creator>
	</item>
      <item>
		<title>Dare frame thy fearful symmetry?</title>
		<link>http://www.metafilter.com/73541/Dare%2Dframe%2Dthy%2Dfearful%2Dsymmetry</link>
		<description> &lt;a href=&quot;http://math.ucr.edu/home/baez/week267.html&quot;&gt;This week in mathematical physics&lt;/a&gt;, John Baez looks at the amazing &lt;a href=&quot;http://math.ucr.edu/home/baez/alhambra/&quot;&gt;tile patterns&lt;/a&gt; in the &lt;a href=&quot; http://www.greatbuildings.com/buildings/The_Alhambra.html&quot;&gt;Alhambra&lt;/a&gt; in Granada, dividing the patterns into their characteristic &lt;a href=&quot;http://en.wikipedia.org/wiki/Wallpaper_group&quot;&gt;Wallpaper Groups&lt;/a&gt; based on their symmetries. And if these patterns aren&apos;t good enough for you, try drawing your own with the &lt;a href=&quot;http://escher.epfl.ch/escher/&quot;&gt;Escher Web Sketch&lt;/a&gt; tool. &lt;a href=&quot;http://www.metafilter.com/50574/This-Weeks-Finds-in-Mathematical-Physics&quot;&gt;Previously&lt;/a&gt;. </description>
		<guid isPermaLink="false">tag:metafilter.com,2008:site.73541</guid>
		<pubDate>Thu, 24 Jul 2008 08:45:56 -0800</pubDate>
		<category>alhambra</category>
		<category>escher</category>
		<category>math</category>
		<category>patterns</category>
		<category>tiling</category>
		<dc:creator>kiltedtaco</dc:creator>
	</item>
      <item>
		<title>FrEscher than Relativity</title>
		<link>http://www.metafilter.com/63026/FrEscher%2Dthan%2DRelativity</link>
		<description>&lt;a href="http://tserve01.aid.design.kyushu-u.ac.jp/~fujiki/ole_coordinate_system/index.html"&gt;OLE Coordinate System&lt;/a&gt; is the software that drives Echochrome, an Interactive Optical Illusion.  The playable demo lets you play in an Escherian space. &lt;small&gt;[&lt;a href=&quot;http://www.destructoid.com/experience-the-mind-bending-fun-of-echochrome-on-your-pc-35520.phtml&quot;&gt;via&lt;/a&gt;]&lt;/small&gt;  </description>
		<guid isPermaLink="false">tag:metafilter.com,2007:site.63026</guid>
		<pubDate>Wed, 18 Jul 2007 07:27:18 -0800</pubDate>
		<category>escher</category>
		<category>OLE</category>
		<category>opticalillusion</category>
		<dc:creator>solipsophistocracy</dc:creator>
	</item>
      <item>
		<title>Escher prints in 3D LEGO versions</title>
		<link>http://www.metafilter.com/62736/Escher%2Dprints%2Din%2D3D%2DLEGO%2Dversions</link>
		<description> Andrew Lipson and Daniel Shiu build faithful, 3D versions of Escher prints using LEGOs: &lt;a href=&quot;http://www.andrewlipson.com/escher/relativity.html&quot;&gt;Relativity&lt;/a&gt;, &lt;a href=&quot;http://www.andrewlipson.com/escher/ascending.html&quot;&gt;Ascending and Descending&lt;/a&gt;, &lt;a href=&quot;http://www.andrewlipson.com/escher/waterfall.html&quot;&gt;Waterfall&lt;/a&gt;, and &lt;a href=&quot;http://www.andrewlipson.com/escher/belvedere.html&quot;&gt;Belvedere&lt;/a&gt;.  (Only one of those four images required any photo manipulation to create its &quot;Escher effect&quot; -- can you tell which one, without scrolling down to see the descriptions on each page?)  Other people&apos;s LEGO adventures: a &lt;a href=&quot;http://www.henrylim.org/Harpsichord.html&quot;&gt;playable harpsichord&lt;/a&gt;, the &lt;a href=&quot;http://www.ericharshbarger.org/lego/images/choa/gg_33.jpg&quot;&gt;Golden&lt;/a&gt; Gate &lt;a href=&quot;http://www.ericharshbarger.com/lego/golden_gate_bridge.html&quot;&gt;Bridge&lt;/a&gt;, and a &lt;a href=&quot;http://www.henrylim.org/Catwoman.html&quot;&gt;portrait of Catwoman&lt;/a&gt;.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2007:site.62736</guid>
		<pubDate>Sun, 08 Jul 2007 02:18:08 -0800</pubDate>
		<category>3d</category>
		<category>escher</category>
		<category>lego</category>
		<category>legos</category>
		<category>opticalillusion</category>
		<category>sculpture</category>
		<dc:creator>allterrainbrain</dc:creator>
	</item>
      <item>
		<title>Victim of The Brain</title>
		<link>http://www.metafilter.com/60191/Victim%2Dof%2DThe%2DBrain</link>
		<description>&lt;a href="http://video.google.com/url?docid=8576072297424860224&amp;amp;esrc=sr3&amp;amp;ev=v&amp;amp;q=hofstadter&amp;amp;vidurl=http://video.google.com/videoplay%3Fdocid%3D8576072297424860224%26q%3Dhofstadter&amp;amp;usg=AL29H23QfEYjd60hmbjduaa8IvX"&gt;Victim of the Brain&lt;/a&gt; A &apos;docudrama&apos; about &lt;a href=&quot;http://geb.stenius.org/&quot;&gt;Godel, Escher and Bach&lt;/a&gt; author, &lt;a href=&quot;http://en.wikipedia.org/wiki/Douglas_Hofstadter&quot;&gt;Douglas Hofstadter&lt;/a&gt;, and philosopher &lt;a href=&quot;http://en.wikipedia.org/wiki/Daniel_Dennett&quot;&gt;Dan Dennett&lt;/a&gt; produced in 1988.  I&apos;m not sure how to describe it, other than incredibly strange and fascinating.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2007:site.60191</guid>
		<pubDate>Wed, 11 Apr 2007 05:44:26 -0800</pubDate>
		<category>ai</category>
		<category>artificialintelligence</category>
		<category>bach</category>
		<category>computers</category>
		<category>escher</category>
		<category>godel</category>
		<category>mind</category>
		<category>philosophy</category>
		<dc:creator>empath</dc:creator>
	</item>
      <item>
		<title>Seb Przd&apos;s mind-bending photos</title>
		<link>http://www.metafilter.com/58644/Seb%2DPrzds%2Dmindbending%2Dphotos</link>
		<description>&lt;a href="http://www.flickr.com/photos/sbprzd/"&gt;Seb Przd&apos;s photos&lt;/a&gt; specialising in delightful and mind-bending &lt;a href=&quot;http://flickr.com/photos/sbprzd/sets/72057594100163739/&quot;&gt;spherical panoramas&lt;/a&gt; and &lt;a href=&quot;http://flickr.com/photos/sbprzd/sets/72157594172266668/&quot;&gt;conformal mappings&lt;/a&gt;.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2007:site.58644</guid>
		<pubDate>Thu, 15 Feb 2007 06:21:40 -0800</pubDate>
		<category>conformalmapping</category>
		<category>equirectangular</category>
		<category>escher</category>
		<category>flickr</category>
		<category>math</category>
		<category>mindbending</category>
		<category>panorama</category>
		<category>photos</category>
		<category>sebprzd</category>
		<dc:creator>MetaMonkey</dc:creator>
	</item>
      <item>
		<title>ground becomes figure</title>
		<link>http://www.metafilter.com/53829/ground%2Dbecomes%2Dfigure</link>
		<description> Fascination with &lt;a href=&quot;http://www.afn.org/~gestalt/fignd.htm&quot;&gt;ground and figure&lt;/a&gt; carries on in various fields after &lt;a href=&quot;http://psylux.psych.tu-dresden.de/i1/kaw/diverses%20Material/www.illusionworks.com/html/figure_ground.html&quot;&gt;The Rubin vase / face Illusion&lt;/a&gt;, &lt;a href=&quot;http://www.mcescher.com/&quot;&gt;M.C. Escher&lt;/a&gt;, and &lt;a href=&quot;http://www.metafilter.com/mefi/41534&quot;&gt;Marshall McLuhan&lt;/a&gt;.
Besides being extremely important in the fields of &lt;a href=&quot;http://www.aperture.org/store/books-preview-bio.aspx?ID=511&quot;&gt;photography&lt;/a&gt; and &lt;a href=&quot;http://www.tau.ac.il/~tsurxx/Figure-ground+sound.html&quot;&gt;poetry&lt;/a&gt;, the figure/ground relationship is important to physicist &lt;a href=&quot;http://aca.mq.edu.au/PaulDavies/prize_address.htm&quot;&gt;Paul Davies&lt;/a&gt;, who says &quot;the true miracle of nature is to be found in the ingenious and unswerving lawfulness of the cosmos, a lawfulness that permits complex order to emerge from chaos, life to emerge from inanimate matter, and consciousness to emerge from life.&quot;
Also, Peter Grundy and Yiang Yan discuss how &lt;a href=&quot;http://www.tulane.edu/~howard/LangIdeo/GrundyJiang/GrundyJiangAbs.html&quot;&gt;contextual ground relates to linguistic figure&lt;/a&gt; in Bill Clinton&apos;s famous apology, 
&lt;a href=&quot;http://www.andygraydon.net/figure.shtml&quot;&gt;Andrew Graydon&lt;/a&gt; plays with the distinction between sound as environment and sound as music, and W.C. Richardson creates &lt;a href=&quot;http://www.wpaconline.org/events/auction2006/artists/richardson.htm&quot;&gt;paintings&lt;/a&gt;  in which &quot;positive and negative spaces seem unstable; figure becomes ground, ground becomes figure.&quot;  </description>
		<guid isPermaLink="false">tag:metafilter.com,2006:site.53829</guid>
		<pubDate>Sat, 12 Aug 2006 17:33:52 -0800</pubDate>
		<category>davies</category>
		<category>escher</category>
		<category>figure</category>
		<category>ground</category>
		<category>language</category>
		<category>mcluhan</category>
		<category>music</category>
		<category>painting</category>
		<dc:creator>Aghast.</dc:creator>
	</item>
      <item>
		<title>Escher&apos;s &quot;Relativity&quot; in Lego</title>
		<link>http://www.metafilter.com/53753/Eschers%2DRelativity%2Din%2DLego</link>
		<description>&lt;a href="http://www.andrewlipson.com/escher/relativity.html"&gt;Escher&apos;s &quot;Relativity&quot; in Lego&lt;/a&gt; (&lt;a href=&quot;http://www.nga.gov/cgi-bin/pimage?53972+0+0+ggescher&quot;&gt;original&lt;/a&gt;) [&lt;a href=&quot;http://www.nga.gov/collection/gallery/ggescher/ggescher-53972.0.html&quot;&gt;source&lt;/a&gt;]  </description>
		<guid isPermaLink="false">tag:metafilter.com,2006:site.53753</guid>
		<pubDate>Wed, 09 Aug 2006 17:57:10 -0800</pubDate>
		<category>design</category>
		<category>escher</category>
		<category>lego</category>
		<category>toy</category>
		<dc:creator>nthdegx</dc:creator>
	</item>
      <item>
		<title>The best of YouTube (to date)?</title>
		<link>http://www.metafilter.com/52489/The%2Dbest%2Dof%2DYouTube%2Dto%2Ddate</link>
		<description>&lt;a href="http://www.youtube.com/view_play_list?p=55EE5872FE454FBA"&gt;The Thief And The Cobbler.&lt;/a&gt; &lt;a href=&quot;http://www.imdb.com/name/nm0931530/&quot;&gt;Richard Williams&lt;/a&gt; via &lt;a href=&quot;http://www.orangecow.org/&quot;&gt;Garrett Gilchrist&lt;/a&gt;. The best of YouTube (to date)? You decide. Want some animated &lt;a href=&quot;http://www.mcescher.com/&quot;&gt;M.C. Escher&lt;/a&gt;, &lt;a href=&quot;http://www.rube-goldberg.com/&quot;&gt;Rube Goldberg&lt;/a&gt; mayhem, magic, despair, true love, a happy ending...and more? Click the link and try the &quot;&lt;a href=&quot;http://www.youtube.com/watch?v=phJJOQk0yJM&amp;feature=PlayList&amp;p=55EE5872FE454FBA&amp;index=0&amp;playnext=1&quot;&gt;Play All Videos&lt;/a&gt;&quot; link on the right (17 segments make up the whole). &lt;a href=&quot;http://www.imdb.com/title/tt0112389/fullcredits&quot;&gt;Cast and Crew&lt;/a&gt;. If you categorically hate YouTube links, pass it by. &lt;a href=&quot;http://www.boingboing.net/2006/06/22/thief_and_the_cobble.html&quot;&gt;via&lt;/a&gt;  </description>
		<guid isPermaLink="false">tag:metafilter.com,2006:site.52489</guid>
		<pubDate>Thu, 22 Jun 2006 19:58:57 -0800</pubDate>
		<category>animation</category>
		<category>Escher</category>
		<category>GarrettGilchrist</category>
		<category>RichardWilliams</category>
		<category>RubeGoldberg</category>
		<category>YouTube</category>
		<dc:creator>taosbat</dc:creator>
	</item>
      <item>
		<title>Tile it!</title>
		<link>http://www.metafilter.com/39555/Tile%2Dit</link>
		<description>&lt;a href="http://marie.epfl.ch/escher/"&gt;Escher Web Sketch&lt;/a&gt; &lt;small&gt;[Java]&lt;/small&gt;  </description>
		<guid isPermaLink="false">tag:metafilter.com,2005:site.39555</guid>
		<pubDate>Sun, 13 Feb 2005 07:48:54 -0800</pubDate>
		<category>art</category>
		<category>drawing</category>
		<category>escher</category>
		<category>java</category>
		<category>patterns</category>
		<category>symmetry</category>
		<category>tiles</category>
		<category>tiling</category>
		<dc:creator>Gyan</dc:creator>
	</item>
      <item>
		<title>Art of Deception</title>
		<link>http://www.metafilter.com/36983/Art%2Dof%2DDeception</link>
		<description> The &lt;a href=&quot;http://neuro.caltech.edu/%7Eseckel/mod/fukuda.htm&quot;&gt;sculptures of Shigeo Fukuda&lt;/a&gt; show that &lt;a href=&quot;http://neuro.caltech.edu/%7Eseckel/mod/movies/fukuda/Motorcycle.mpeg&quot; title=&quot;A shadow sculpture made of cutlery&quot;&gt;shadows&lt;/a&gt; and &lt;a href=&quot;http://neuro.caltech.edu/%7Eseckel/mod/movies/fukuda/Fukudasunflowers.mpg&quot; title=&quot;Gogh&apos;s Sunflowers, an anamorph&quot;&gt;reflections&lt;/a&gt; &lt;small&gt;(mpegs)&lt;/small&gt; may not be what they appear to be. When you turn &lt;a href=&quot;http://neuro.caltech.edu/%7Eseckel/mod/escher.htm&quot; title=&quot;Interviews with the man&quot;&gt;M.C. Escher&lt;/a&gt;&apos;s drawings into sculptures, you can get some &lt;a href=&quot;http://neuro.caltech.edu/%7Eseckel/mod/movies/fukuda/FukudaBelvedere.mpg&quot;&gt;impossible objects&lt;/a&gt; &lt;small&gt;(mpeg)&lt;/small&gt;. And &lt;a href=&quot;http://www.termespheres.com/termes.html&quot;&gt;Dick Termes&lt;/a&gt; paintings on globes are &lt;a href=&quot;http://neuro.caltech.edu/%7Eseckel/mod/movies/termes/TERMES3.mov&quot; title=&quot;I want one, or two&quot;&gt;stunning examples&lt;/a&gt; &lt;small&gt;(Quicktime)&lt;/small&gt; of &lt;a href=&quot;http://www.termespheres.com/perspective.html&quot;&gt;six point perspective&lt;/a&gt;. All of these works of illusionary art are featured in the book &lt;a href=&quot;http://neuro.caltech.edu/%7Eseckel/mod/&quot;&gt;Masters of Deception: Escher, Dal&amp;#0237; &amp;amp; the Artists of Optical Illusion&lt;/a&gt; and must be seen to be believed.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2004:site.36983</guid>
		<pubDate>Mon, 15 Nov 2004 00:29:22 -0800</pubDate>
		<category>Art</category>
		<category>Dali</category>
		<category>Escher</category>
		<category>Illusions</category>
		<category>sculpture</category>
		<category>ShigeoFukuda</category>
		<category>Termes</category>
		<dc:creator>euphorb</dc:creator>
	</item>
      <item>
		<title>Cultural Entomology</title>
		<link>http://www.metafilter.com/35248/Cultural%2DEntomology</link>
		<description>&lt;a href="http://www.antlionpit.com/golddigging.html"&gt;The Gold-Digging Ant-Lions of India&lt;/a&gt; is but one tale about insects and culture. Although, The &lt;a href=&quot;http://www.insects.org/ced/index.html&quot;&gt;Cultural Entomology Digest&lt;/a&gt; seems to have been out of circulation for a decade, you can still read about &lt;a href=&quot;http://www.insects.org/ced4/japanese_crests.html&quot;&gt;Japanese Crests based on Butterflies&lt;/a&gt;, &lt;a href=&quot;http://www.insects.org/ced3/chinese_crcul.html&quot;&gt;Chinese Cricket Culture&lt;/a&gt; and hints of &lt;a href=&quot;http://www.insects.org/ced3/greek_crcages.html&quot;&gt;a Greek Cricket culture&lt;/a&gt;, &lt;a href=&quot;http://www.insects.org/ced2/beetles_rel_sym.html&quot;&gt;Beetles as Religious Symbols&lt;/a&gt; or the &lt;a href=&quot;http://www.insects.org/ced1/mc_esh.html&quot;&gt;Insects of MC Escher&lt;/a&gt;.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2004:site.35248</guid>
		<pubDate>Sat, 28 Aug 2004 15:49:06 -0800</pubDate>
		<category>ant-lions</category>
		<category>beetles</category>
		<category>crickets</category>
		<category>entomology</category>
		<category>escher</category>
		<category>fantastic</category>
		<dc:creator>vacapinta</dc:creator>
	</item>
      <item>
		<title>Snakes</title>
		<link>http://www.metafilter.com/31010/Snakes</link>
		<description>&lt;a href="http://www.etereaestudios.com/docs_html/snakes_htm/snakes_index.htm"&gt;Snakes.&lt;/a&gt; An animated film based on a woodcut by M.C. Escher.  Slow to load, beautiful to watch (and listen to).  </description>
		<guid isPermaLink="false">tag:metafilter.com,2004:site.31010</guid>
		<pubDate>Wed, 28 Jan 2004 13:18:17 -0800</pubDate>
		<category>animation</category>
		<category>escher</category>
		<category>mcescher</category>
		<category>snakes</category>
		<dc:creator>jonah</dc:creator>
	</item>
      <item>
		<title>Speaking of LEGO...</title>
		<link>http://www.metafilter.com/28968/Speaking%2Dof%2DLEGO</link>
		<description>&lt;a href="http://www.lipsons.pwp.blueyonder.co.uk/lego.htm"&gt;LEGO Escher&lt;/a&gt; is an amazing collection of some of the more famous prints by famous surrealist &lt;a href=&quot;http://www.mcescher.com/&quot;&gt;M.C. Escher&lt;/a&gt; rendered in &lt;a href=&quot;http://www.lego.com&quot;&gt;LEGO&lt;/a&gt;.

There&apos;s tons more like this at &lt;a href=&quot;http://www.lugnet.com/&quot;&gt;LUGNET&lt;/a&gt; (LEGO International Users Group Network).  </description>
		<guid isPermaLink="false">tag:metafilter.com,2003:site.28968</guid>
		<pubDate>Wed, 15 Oct 2003 09:00:46 -0800</pubDate>
		<category>brokenlink</category>
		<category>deadlink</category>
		<category>escher</category>
		<category>lego</category>
		<category>legos</category>
		<category>mcescher</category>
		<dc:creator>Mr_Spook</dc:creator>
	</item>
      <item>
		<title>Smarter than the average water feature</title>
		<link>http://www.metafilter.com/25901/Smarter%2Dthan%2Dthe%2Daverage%2Dwater%2Dfeature</link>
		<description>&lt;a href="http://www.bbc.co.uk/gardening/events/chelsea2003/gardens/show_gardens/wrong_garden.shtml"&gt;GardeningFilter! James Dyson&apos;s Wrong Garden&lt;/a&gt; - water going uphill in a perpetual-motional Escher-like fashion;  how is it &lt;a href=&quot;http://news.bbc.co.uk/1/hi/uk/3046791.stm&quot;&gt;done...?&lt;/a&gt;  </description>
		<guid isPermaLink="false">tag:metafilter.com,2003:site.25901</guid>
		<pubDate>Wed, 21 May 2003 06:49:25 -0800</pubDate>
		<category>BBC</category>
		<category>brokenlink</category>
		<category>Chelsea</category>
		<category>ChelseaFlowerShow</category>
		<category>Dyson</category>
		<category>Escher</category>
		<category>gardening</category>
		<category>JamesDyson</category>
		<category>MCEscher</category>
		<category>water</category>
		<category>WaterFeature</category>
		<category>WrongGarden</category>
		<dc:creator>klaatu</dc:creator>
	</item>
      <item>
		<title></title>
		<link>http://www.metafilter.com/20620/</link>
		<description>&lt;a href="http://www.lipsons.pwp.blueyonder.co.uk/escher/ascending.html"&gt;M.C. Escher + Lego = ?&lt;/a&gt; I used to make spaceships and houses with my Lego not 3D representations of famous optical illusions!

[via Filepile]  </description>
		<guid isPermaLink="false">tag:metafilter.com,2002:site.20620</guid>
		<pubDate>Mon, 07 Oct 2002 16:57:39 -0800</pubDate>
		<category>escher</category>
		<category>filepile</category>
		<category>lego</category>
		<category>mcescher</category>
		<category>opticalillusions</category>
		<dc:creator>bhell13</dc:creator>
	</item>
      <item>
		<title></title>
		<link>http://www.metafilter.com/18972/</link>
		<description>&lt;a href="http://www.nytimes.com/2002/07/30/science/30ESCH.html?8hpib"&gt;Mathematician Henrik Lenstra&lt;/a&gt; was intrigued by a blank space in he middle of a &lt;a href=&quot;http://escherdroste.math.leidenuniv.nl/index.php?menu=intro&quot;&gt;drawing by MC Escher&lt;/a&gt;.  Over two years he managed to describe the mathematical structure of the drawing, project &lt;a href=&quot;http://escherdroste.math.leidenuniv.nl/index.php?menu=im&amp;sub=main&quot;&gt;what should go in the missing space&lt;/a&gt; and produce an &lt;a href=&quot;http://escherdroste.math.leidenuniv.nl/index.php?menu=animation&quot;&gt; extraordanary animation&lt;/a&gt; of the result.
 </description>
		<guid isPermaLink="false">tag:metafilter.com,2002:site.18972</guid>
		<pubDate>Tue, 06 Aug 2002 14:38:59 -0800</pubDate>
		<category>drosteeffect</category>
		<category>escher</category>
		<category>lenstra</category>
		<category>math</category>
		<category>mathematics</category>
		<category>maths</category>
		<category>mcescher</category>
		<dc:creator>alms</dc:creator>
	</item>
      
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