{"id":1871,"date":"2009-08-30T19:00:49","date_gmt":"2009-08-30T19:00:49","guid":{"rendered":"http:\/\/www.andrewgrantham.co.uk\/soundmirrors\/?p=1871"},"modified":"2016-10-16T21:28:12","modified_gmt":"2016-10-16T20:28:12","slug":"talking-parabolicality","status":"publish","type":"post","link":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/talking-parabolicality\/","title":{"rendered":"Talking parabolicality"},"content":{"rendered":"<p><a href=\"http:\/\/www.atm.org.uk\/mti\/214\/parabola\/sound-mirror.html\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/s429020328.websitehome.co.uk\/soundmirrors\/wp-content\/uploads\/2009\/07\/mirror-parabolicality.jpg\" alt=\"Autograph mirror parabolicality\" title=\"Autograph mirror parabolicality\" width=\"150\" height=\"125\" class=\"alignright size-full wp-image-1876\" \/><\/a>Douglas Butler illustrates <a href=\"http:\/\/www.atm.org.uk\/mti\/214\/parabola\/sound-mirror.html\">how to create an Autograph file to test the parabolicality<\/a> of a sound mirror, at the Association of Teachers of Mathematics website.<\/p>\n<p><iframe loading=\"lazy\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/IPK3ugIsP7Q\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Douglas Butler illustrates how to create an Autograph file to test the parabolicality of a sound mirror, at the Association of Teachers of Mathematics website.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,9,10],"tags":[],"class_list":["post-1871","post","type-post","status-publish","format-standard","hentry","category-links","category-sound-mirrors","category-technology"],"_links":{"self":[{"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/posts\/1871","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/comments?post=1871"}],"version-history":[{"count":1,"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/posts\/1871\/revisions"}],"predecessor-version":[{"id":3125,"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/posts\/1871\/revisions\/3125"}],"wp:attachment":[{"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/media?parent=1871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/categories?post=1871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/tags?post=1871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}