1.0Medievalists.nethttps://www.medievalists.netMedievalists.nethttps://www.medievalists.net/author/charlemagne/rich600338<blockquote class="wp-embedded-content" data-secret="Xb1Oo4a9rT"><a href="https://www.medievalists.net/2012/08/on-the-shoulders-of-eastern-giants-the-forgotten-contributions-of-medieval-physicists/">On the shoulders of eastern giants: the forgotten contributions of medieval physicists</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.medievalists.net/2012/08/on-the-shoulders-of-eastern-giants-the-forgotten-contributions-of-medieval-physicists/embed/#?secret=Xb1Oo4a9rT" width="600" height="338" title="“On the shoulders of eastern giants: the forgotten contributions of medieval physicists” — Medievalists.net" data-secret="Xb1Oo4a9rT" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /*! This file is auto-generated */ !function(c,d){"use strict";var e=!1,o=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=d.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=d.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=new RegExp("^https?:$","i"),l=0;l<n.length;l++)n[l].style.display="none";for(l=0;l<i.length;l++)if(r=i[l],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=d.createElement("a"),a=d.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,!o.test(a.protocol));else if(a.host===s.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),d.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=d.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> We learn at school that Isaac Newton is the father of modern optics, that Copernicus heralded the birth of astronomy, and that it is Snell's law of refraction. But what is the debt these men owe to the physicists and astronomers of the medieval Islamic Empire?http://www.medievalists.net/wp-content/uploads/2012/08/watch2.jpeg