{"version":"1.0","provider_name":"MATH&#039;MONDE, le blog d&#039;Herv\u00e9 LEHNING, agr\u00e9g\u00e9 de math\u00e9matiques ","provider_url":"https:\/\/blogs.futura-sciences.com\/lehning","author_name":"MATH&#039;MONDE, le blog d&#039;Herv\u00e9 LEHNING, agr\u00e9g\u00e9 de math\u00e9matiques ","author_url":"https:\/\/blogs.futura-sciences.com\/lehning","title":"L'art du d\u00e9filement, Vauban et Gaspard Monge, par Herv\u00e9 Lehning","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"AS2E3N1Z1C\"><a href=\"https:\/\/blogs.futura-sciences.com\/lehning\/2019\/05\/16\/lart-du-defilement-vauban-et-gaspard-monge\/\">L&#8217;art du d\u00e9filement, Vauban et Gaspard Monge<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blogs.futura-sciences.com\/lehning\/2019\/05\/16\/lart-du-defilement-vauban-et-gaspard-monge\/embed\/#?secret=AS2E3N1Z1C\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0L&#8217;art du d\u00e9filement, Vauban et Gaspard Monge\u00a0\u00bb &#8212; MATH&#039;MONDE, le blog d&#039;Herv\u00e9 LEHNING, agr\u00e9g\u00e9 de math\u00e9matiques \" data-secret=\"AS2E3N1Z1C\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\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<\/script>\n","thumbnail_url":"https:\/\/blogs.futura-sciences.com\/lehning\/wp-content\/uploads\/sites\/13\/2019\/05\/MontDauphin.jpg","thumbnail_width":850,"thumbnail_height":569,"description":"L\u2019un des probl\u00e8mes pour construire des fortifications \u00e0 l\u2019\u00e9poque de Vauban (1633 \u2013 1707) \u00e9tait\u00a0 : Comment d\u00e9filer une fortification des tirs de l\u2019ennemi\u00a0? Le verbe \u00ab\u00a0d\u00e9filer\u00a0\u00bb doit s\u2019entendre ici au sens commun de \u00ab\u00a0se d\u00e9filer\u00a0\u00bb. Comment cacher l\u2019int\u00e9rieur d\u2019un ouvrage aux vues et aux tirs de l\u2019agresseur\u00a0? Bien entendu, il suffit de b\u00e2tir partout &hellip; Continuer la lecture de  &rarr;"}