{"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'\u00e9nigme du tunnel de Samos, par Herv\u00e9 Lehning","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"WIWBeMnPGY\"><a href=\"https:\/\/blogs.futura-sciences.com\/lehning\/2018\/09\/14\/lenigme-du-tunnel-de-samos\/\">L&#8217;\u00e9nigme du tunnel de Samos<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blogs.futura-sciences.com\/lehning\/2018\/09\/14\/lenigme-du-tunnel-de-samos\/embed\/#?secret=WIWBeMnPGY\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0L&#8217;\u00e9nigme du tunnel de Samos\u00a0\u00bb &#8212; MATH&#039;MONDE, le blog d&#039;Herv\u00e9 LEHNING, agr\u00e9g\u00e9 de math\u00e9matiques \" data-secret=\"WIWBeMnPGY\" 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\/2018\/08\/Tunnel-Samos-01.jpg","thumbnail_width":709,"thumbnail_height":473,"description":"Dans l\u2019\u00eele grecque de Samos, on peut visiter un tunnel qui, selon H\u00e9rodote, fut creus\u00e9 au VIe si\u00e8cle avant notre \u00e8re, simultan\u00e9ment par ses deux extr\u00e9mit\u00e9s \u2026 et l\u2019erreur au point de rencontre ne fut que de 60 centim\u00e8tres, comme le trac\u00e9 du tunnel l\u2019atteste toujours. On ne sait pas comment son architecte, Eupalinos, en &hellip; Continuer la lecture de  &rarr;"}