{"id":238,"date":"2007-02-12T17:53:00","date_gmt":"2007-02-12T22:53:00","guid":{"rendered":"http:\/\/madstone.net\/?p=238"},"modified":"2007-02-12T17:53:00","modified_gmt":"2007-02-12T22:53:00","slug":"checker-shadow-illusion","status":"publish","type":"post","link":"https:\/\/madstone.net\/?p=238","title":{"rendered":"checker shadow illusion"},"content":{"rendered":"

\"copyright<\/a>
I found this site via del.icio.us today, and couldn’t believe what it showed until I experimented by placing a sheet of paper with two holes cut out over the screen.<\/p>\n

I’m reproducing a tiny version of the image to lure you to the large version…<\/p>\n

See the Illusion…<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

I found this site via del.icio.us today, and couldn’t believe what it showed until I experimented by placing a sheet of paper with two holes cut out over the screen. I’m reproducing a tiny version of the image to lure you to the large version… See the Illusion…<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[30],"tags":[],"class_list":["post-238","post","type-post","status-publish","format-standard","hentry","category-post"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pgY3e-3Q","jetpack-related-posts":[{"id":1445,"url":"https:\/\/madstone.net\/?p=1445","url_meta":{"origin":238,"position":0},"title":"Rage and gender norms","author":"Jorah","date":"January 17, 2021","format":false,"excerpt":"I may be starting to figure out why people are so often panic-stricken (and frequently enraged to the point of violence) by others who don't comply with gender norms. I believe that it is because the norms are fragile, but also something we've been taught to measure our identity against.\u2026","rel":"","context":"In "Social commentary"","block_context":{"text":"Social commentary","link":"https:\/\/madstone.net\/?cat=46"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":160,"url":"https:\/\/madstone.net\/?p=160","url_meta":{"origin":238,"position":1},"title":"Myr’s Mondrian… from my perspective","author":"Jorah","date":"July 16, 2005","format":false,"excerpt":"I figured I'd do a Mondrian for my wife. Now... if I got her data right, this version should look the same as one I'll do later when I can get her to sit down and do one for herself. I'll post her version later.","rel":"","context":"In "Post"","block_context":{"text":"Post","link":"https:\/\/madstone.net\/?cat=30"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":182,"url":"https:\/\/madstone.net\/?p=182","url_meta":{"origin":238,"position":2},"title":"Intelligent Design","author":"Jorah","date":"August 21, 2005","format":false,"excerpt":"Finally, a version of Intelligent Design that I can get onboard with. My thanks to the fine ...er.... folks who inhabit Babylon.","rel":"","context":"In "Post"","block_context":{"text":"Post","link":"https:\/\/madstone.net\/?cat=30"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":92,"url":"https:\/\/madstone.net\/?p=92","url_meta":{"origin":238,"position":3},"title":"Google Browser","author":"Jorah","date":"September 25, 2004","format":false,"excerpt":"I have that same feeling I had back in the Mac vs. PC, IE vs. Netscape days... a heady feeling of partisanship. I feel great affection for Google, and use several of their suite of products... the deskbar, IE browser bar, Blogger (obviously), gmail, notifier, image search, and so forth.\u2026","rel":"","context":"In "Post"","block_context":{"text":"Post","link":"https:\/\/madstone.net\/?cat=30"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":970,"url":"https:\/\/madstone.net\/?p=970","url_meta":{"origin":238,"position":4},"title":"The “yarn bag” is done!","author":"Jorah","date":"February 20, 2008","format":false,"excerpt":"I cast on this \"design as you go\" project about two weeks ago as a filler while trying to figure out what I want to knit next. I'm pleased with how it turns out, and a center-pull ball fits perfectly (yay!) but I may need a larger version for the\u2026","rel":"","context":"In "Knitting"","block_context":{"text":"Knitting","link":"https:\/\/madstone.net\/?cat=85"},"img":{"alt_text":"Yarn-Bag-05","src":"https:\/\/i0.wp.com\/farm3.static.flickr.com\/2160\/2275932994_767bd757b0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":234,"url":"https:\/\/madstone.net\/?p=234","url_meta":{"origin":238,"position":5},"title":"PGP …again","author":"Jorah","date":"December 20, 2006","format":false,"excerpt":"I have no idea how long it has been since I last wrote about my on-again off-again interest in PGP, but since I recently remembered my passwords for both PGP and my Gnu Privacy keys, I figured I'd post my public keys again, in case any of the non-existent readers\u2026","rel":"","context":"In "Post"","block_context":{"text":"Post","link":"https:\/\/madstone.net\/?cat=30"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/madstone.net\/index.php?rest_route=\/wp\/v2\/posts\/238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/madstone.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/madstone.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/madstone.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/madstone.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=238"}],"version-history":[{"count":0,"href":"https:\/\/madstone.net\/index.php?rest_route=\/wp\/v2\/posts\/238\/revisions"}],"wp:attachment":[{"href":"https:\/\/madstone.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/madstone.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/madstone.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}