{"id":328,"date":"2007-03-04T23:03:40","date_gmt":"2007-03-04T22:03:40","guid":{"rendered":"http:\/\/www.lumen.nu\/rekveld\/wp\/?p=328"},"modified":"2019-08-24T22:02:09","modified_gmt":"2019-08-24T21:02:09","slug":"first-ever-programmed-motion","status":"publish","type":"post","link":"https:\/\/www.joostrekveld.net\/?p=328","title":{"rendered":"first ever programmed motion ?"},"content":{"rendered":"<p><img decoding=\"async\" id=\"image327\" src=\"https:\/\/www.joostrekveld.net\/wp\/wp-content\/uploads\/2007\/03\/heroknots.jpg\" alt=\"heroknots.jpg\" \/><\/p>\n<p>From &#8220;Peri Automatopoietikes&#8221; (On the making of Automata) by Hero from Alexandria (around the year 50 AD) in the edition by Schmidt from 1899.<br \/>\nIn this book he describes a kind of automatical theatre, showing different scenes from a mythical story. One of the (many !) control mechanisms he describes is the above: a cord is wound in a pattern around pegs on a shaft, so that when the cord is pulled with a constant speed (he describes very ingenious systems for that too), the shaft will perform a programmed sequence of half-turns and pauses.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>From &#8220;Peri Automatopoietikes&#8221; (On the making of Automata) by Hero from Alexandria (around the year 50 AD) in the edition by Schmidt from 1899. In this book he describes a kind of automatical theatre, showing different scenes from a mythical story. One of the (many !) control mechanisms he describes is the above: a cord &hellip; <a href=\"https:\/\/www.joostrekveld.net\/?p=328\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">first ever programmed motion ?<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":327,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,8],"tags":[],"class_list":["post-328","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-books","category-umwelt"],"_links":{"self":[{"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/posts\/328","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=328"}],"version-history":[{"count":1,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/posts\/328\/revisions"}],"predecessor-version":[{"id":2545,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/posts\/328\/revisions\/2545"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/media\/327"}],"wp:attachment":[{"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}