{"id":101,"date":"2018-03-03T11:04:06","date_gmt":"2018-03-03T10:04:06","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/lehning\/?p=101"},"modified":"2018-04-29T18:00:37","modified_gmt":"2018-04-29T16:00:37","slug":"balustrade-hyperbolique-jardin-luxembourg","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/lehning\/2018\/03\/03\/balustrade-hyperbolique-jardin-luxembourg\/","title":{"rendered":"La balustrade hyperbolique du jardin du Luxembourg"},"content":{"rendered":"<p>Au Luxembourg, des balustrades circulaires du XVIII<sup>e<\/sup> si\u00e8cle ferment la perspective des jardins.<\/p>\n<h2>Rien que des coniques<\/h2>\n<p>On les voit donc sous forme de coniques, c&#8217;est-\u00e0-dire de sections planes d&#8217;un c\u00f4ne.<\/p>\n<figure id=\"attachment_104\" aria-describedby=\"caption-attachment-104\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-104 size-medium\" src=\"https:\/\/blogs.futura-sciences.com\/lehning\/wp-content\/uploads\/sites\/13\/2018\/02\/LaGeometrieProjective1-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/blogs.futura-sciences.com\/lehning\/wp-content\/uploads\/sites\/13\/2018\/02\/LaGeometrieProjective1-300x300.jpg 300w, https:\/\/blogs.futura-sciences.com\/lehning\/wp-content\/uploads\/sites\/13\/2018\/02\/LaGeometrieProjective1-150x150.jpg 150w, https:\/\/blogs.futura-sciences.com\/lehning\/wp-content\/uploads\/sites\/13\/2018\/02\/LaGeometrieProjective1.jpg 425w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-104\" class=\"wp-caption-text\">Balustrade hyperbolique au Luxembourg \u00a9 Herv\u00e9 Lehning<\/figcaption><\/figure>\n<p>Vues de l\u2019int\u00e9rieur, il s\u2019agit donc d\u2019une hyperbole parfaite, que l\u2019on peut comparer avec la bouche d\u2019\u00e9gout elliptique au sol. La parabole quant \u00e0 elle appartient au monde des id\u00e9es, cas limite entre l\u2019hyperbole et l\u2019ellipse, que l\u2019on pourrait voir en se positionnant parfaitement sur la colonnade.<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Au Luxembourg, des balustrades circulaires du XVIIIe si\u00e8cle ferment la perspective des jardins. Rien que des coniques On les voit donc sous forme de coniques, c&#8217;est-\u00e0-dire de sections planes d&#8217;un c\u00f4ne. Vues de l\u2019int\u00e9rieur, il s\u2019agit donc d\u2019une hyperbole parfaite, que l\u2019on peut comparer avec la bouche d\u2019\u00e9gout elliptique au sol. La parabole quant \u00e0 &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/lehning\/2018\/03\/03\/balustrade-hyperbolique-jardin-luxembourg\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">La balustrade hyperbolique du jardin du Luxembourg<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":12,"featured_media":107,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[5,29,4],"tags":[52,54,53,40],"class_list":["post-101","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arts","category-maths-2","category-regard-sur-le-monde","tag-coniques","tag-ellipse","tag-hyperbole","tag-mathematiques"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La balustrade hyperbolique du jardin du Luxembourg, par Herv\u00e9 Lehning<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.futura-sciences.com\/lehning\/2018\/03\/03\/balustrade-hyperbolique-jardin-luxembourg\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La balustrade hyperbolique du jardin du Luxembourg, par Herv\u00e9 Lehning\" \/>\n<meta property=\"og:description\" content=\"Au Luxembourg, des balustrades circulaires du XVIIIe si\u00e8cle ferment la perspective des jardins. Rien que des coniques On les voit donc sous forme de coniques, c&#8217;est-\u00e0-dire de sections planes d&#8217;un c\u00f4ne. Vues de l\u2019int\u00e9rieur, il s\u2019agit donc d\u2019une hyperbole parfaite, que l\u2019on peut comparer avec la bouche d\u2019\u00e9gout elliptique au sol. 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