{"id":8612,"date":"2014-01-10T09:06:28","date_gmt":"2014-01-10T01:06:28","guid":{"rendered":"http:\/\/www.intmath.com\/blog\/?p=8612"},"modified":"2014-11-16T20:35:06","modified_gmt":"2014-11-16T12:35:06","slug":"friday-math-movie-four-cable-drawing-machine","status":"publish","type":"post","link":"https:\/\/www.intmath.com\/blog\/videos\/friday-math-movie-four-cable-drawing-machine-8612","title":{"rendered":"Friday math movie: Four Cable Drawing Machine"},"content":{"rendered":"<p>One of my favorite devices when I was a kid was my Spirograph. This allowed me to create intricate drawings which had a lovely geometry, like these: <\/p>\n<p><img loading=\"lazy\" src=\"\/blog\/wp-content\/images\/2014\/01\/spirograph.jpg\" alt=\"Sand art\" height=\"158\" width=\"220\" \/><br \/>\n[Image <a href=\"http:\/\/de.wikipedia.org\/wiki\/Spirograph_(Spielzeug)\">source<\/a>]<\/p>\n<p>I came across a similar concept recently with these sand art drawing machines. This one uses 4 cables to anchor the moving object. Quite mesmerizing - and an interesting idea for a combined math-art project in school. <\/p>\n<div class=\"videoBG\">\n<iframe title=\"YouTube video player\" width=\"480\" height=\"303\" src=\"https:\/\/www.youtube.com\/embed\/hrsDBdnj5E8?rel=0\" frameborder=\"0\" allowfullscreen><\/iframe>\n<\/div>\n<p>[Hat tip to Don Cohen for alerting me to these.]<\/p>\n<p class=\"alt\"><a href=\"#respond\" id=\"comms\">Be the first to comment<\/a> below.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"https:\/\/www.intmath.com\/blog\/videos\/friday-math-movie-four-cable-drawing-machine-8612\"><img loading=\"lazy\" src=\"\/blog\/wp-content\/images\/2014\/01\/sand-machine-art.jpg\" alt=\"Sand art\" height=\"100\" width=\"128\" class=\"imgRt\" \/><\/a><br \/>\nThis reminds me of Spirograph images that brought art and geometry together, and always had an element of mystery to them.<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":""},"categories":[105],"tags":[125],"_links":{"self":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/posts\/8612"}],"collection":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/comments?post=8612"}],"version-history":[{"count":0,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/posts\/8612\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/media?parent=8612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/categories?post=8612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/tags?post=8612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}