{"version":"1.0","provider_name":"Harry Dole","provider_url":"https:\/\/harrydole.com\/wp","author_name":"Harry Dole","author_url":"https:\/\/harrydole.com\/wp\/author\/hdole\/","title":"Saunders Mac Lane Geometrical Mechanics - Harry Dole","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"wxADnMrkbG\"><a href=\"https:\/\/harrydole.com\/wp\/2017\/09\/10\/saunders-mac-lane-geometrical-mechanics\/\">Saunders Mac Lane Geometrical Mechanics<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/harrydole.com\/wp\/2017\/09\/10\/saunders-mac-lane-geometrical-mechanics\/embed\/#?secret=wxADnMrkbG\" width=\"600\" height=\"338\" title=\"&#8220;Saunders Mac Lane Geometrical Mechanics&#8221; &#8212; Harry Dole\" data-secret=\"wxADnMrkbG\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/harrydole.com\/wp\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/i2.wp.com\/harrydole.com\/wp\/wp-content\/uploads\/2017\/09\/Mac-Lane-Geometrical-Mechanics-e1505108278389.png?fit=877%2C480&ssl=1","thumbnail_width":877,"thumbnail_height":480,"description":"&#8220;Kinetic Energy Is A Riemann Metric On Configuration Space&#8221; Saunders taught a course on Geometrical Mechanics around 1979-80 or so while I was there.\u00a0 The class was taught in the neighboring Ryerson physics building built with no ferrous metals, though not for that reason but for the metal ball he used to demonstrate spin modes.&hellip; Continue reading &rarr;"}