{"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":"Fahrenheit et la peur des nombres n\u00e9gatifs, par Herv\u00e9 Lehning","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"z9FqyMB4Eq\"><a href=\"https:\/\/blogs.futura-sciences.com\/lehning\/2019\/07\/23\/fahrenheit-et-la-peur-des-nombres-negatifs\/\">Fahrenheit et la peur des nombres n\u00e9gatifs<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blogs.futura-sciences.com\/lehning\/2019\/07\/23\/fahrenheit-et-la-peur-des-nombres-negatifs\/embed\/#?secret=z9FqyMB4Eq\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0Fahrenheit et la peur des nombres n\u00e9gatifs\u00a0\u00bb &#8212; MATH&#039;MONDE, le blog d&#039;Herv\u00e9 LEHNING, agr\u00e9g\u00e9 de math\u00e9matiques \" data-secret=\"z9FqyMB4Eq\" 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\/07\/thumb-les-degres-celsius-et-degres-fahrenheit-caracteristiques-et-conversion-5126-1.jpg","thumbnail_width":840,"thumbnail_height":630,"description":"Sans doute pour \u00e9viter les nombres n\u00e9gatifs, Daniel Gabriel Fahrenheit (1686\u00a0\u2013\u00a01736) fixa l\u2019origine des temp\u00e9ratures (0\u00b0 Fahrenheit) \u00e0 la plus basse qu\u2019il ait observ\u00e9e. C\u2019\u00e9tait durant l\u2019hiver 1709 dans la ville de Dantzig, o\u00f9 il habitait. Pour 100\u00b0 Fahrenheit, il choisit la temp\u00e9rature corporelle d\u2019un cheval sain\u00a0! Dans son syst\u00e8me, l\u2019eau g\u00e8le \u00e0 32\u00b0 et &hellip; Continuer la lecture de  &rarr;"}