{"id":9041,"date":"2018-07-25T11:39:17","date_gmt":"2018-07-25T09:39:17","guid":{"rendered":"https:\/\/student.unifr.ch\/spectrum\/?p=9041"},"modified":"2018-11-16T14:33:35","modified_gmt":"2018-11-16T13:33:35","slug":"le-feu-ami-ou-ennemi","status":"publish","type":"post","link":"https:\/\/student.unifr.ch\/spectrum\/2018\/07\/le-feu-ami-ou-ennemi\/","title":{"rendered":"Le feu: ami ou ennemi?"},"content":{"rendered":"<h1>Entre fascination et crainte, quels sont les liens qui persistent entre l\u2019\u00eatre humain moderne et le feu\u00a0?<\/h1>\n<p class=\"dropcap dropcap-borders\">Parfois on oublie d\u2019o\u00f9 l\u2019on vient. Avant d\u2019\u00eatre des personnes aux vies compliqu\u00e9es, nous n\u2019\u00e9tions que des animaux cherchant \u00e0 survivre. Puis nos anc\u00eatres ont domestiqu\u00e9 le feu, et tout ce que nous connaissons aujourd\u2019hui a \u00e9t\u00e9 rendu possible. Le feu est sans doute la base de toutes les avanc\u00e9es technologiques humaines. Comme dirait Michael Curry : \u201csans feu, pas de twitter et pas de relations dysfonctionnelles entre nous\u201d. Pr\u00e9sent\u00e9 ainsi, le feu semble \u00eatre notre meilleur alli\u00e9.<\/p>\n<h2><span lang=\"fr-FR\">Attention danger\u00a0! <\/span><\/h2>\n<p class=\"western\">Le feu n\u2019est pas toujours votre ami. Tout comme Prom\u00e9th\u00e9e, le Titan qui apporta le feu aux hommes, il est ambigu. Tant\u00f4t \u00e0 griller nos marshmallows lors d\u2019une soir\u00e9e d\u2019\u00e9t\u00e9, tant\u00f4t \u00e0 calciner nos maisons. Chaque ann\u00e9e des feux de for\u00eats ravagent des r\u00e9gions enti\u00e8res \u00e0 travers le monde. Cette saison, m\u00eame la Su\u00e8de n\u2019est pas \u00e9pargn\u00e9e. Et que dire des nombreux accidents li\u00e9s aux barbecues ? L\u2019\u00e9t\u00e9 battant \u00e0 pr\u00e9sent son plein, nombre d\u2019entre vous ont sans doute d\u00e9j\u00e0 profit\u00e9 des plaisirs d\u2019une sympathique grillade au bord d\u2019un plan d\u2019eau. Rien de tel que de griller sa viande (ou, par les temps qui courent, son tofu) pour retrouver un petit go\u00fbt de l\u2019\u00e9tat ancestral de l\u2019esp\u00e8ce humaine. M\u00eame si l\u2019activit\u00e9 semble innocente certains grill\u00e9tarien<span style=\"font-family: Times New Roman, serif;\">\ua78f<\/span>ne<span style=\"font-family: Times New Roman, serif;\">\ua78f<\/span>s sont totalement inconscient<span style=\"font-family: Times New Roman, serif;\">\ua78f<\/span>e<span style=\"font-family: Times New Roman, serif;\">\ua78f<\/span>s. Verser de l\u2019alcool \u00e0 br\u00fbler sur un feu d\u00e9marr\u00e9 ? Aucun souci ! Jusqu\u2019\u00e0 ce que la petite derni\u00e8re de la famille se retrouve aux urgences, le visage br\u00fbl\u00e9 au troisi\u00e8me degr\u00e9 par un retour de flamme. Un autre ph\u00e9nom\u00e8ne florissant lors de la saison des grillades consiste \u00e0 verser le reste de charbon de bois on-ne-sait-o\u00f9, par flemme, ignorance ou manque de bon sens. Un acte qui n\u2019est pourtant pas d\u00e9pourvu de cons\u00e9quences\u00a0: dans les cas o\u00f9 le charbon n\u2019est pas \u00e9teint cela peut donner le d\u00e9part \u00e0 un feu de for\u00eat ou br\u00fbler les pieds d\u2019un baigneur passant sur la plage apr\u00e8s vous.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-9042 aligncenter\" src=\"https:\/\/student.unifr.ch\/spectrum\/wp-content\/uploads\/2018\/07\/feu-848x600.jpg\" alt=\"\" width=\"524\" height=\"371\" srcset=\"https:\/\/student.unifr.ch\/spectrum\/wp-content\/uploads\/2018\/07\/feu-848x600.jpg 848w, https:\/\/student.unifr.ch\/spectrum\/wp-content\/uploads\/2018\/07\/feu-768x544.jpg 768w, https:\/\/student.unifr.ch\/spectrum\/wp-content\/uploads\/2018\/07\/feu-530x375.jpg 530w, https:\/\/student.unifr.ch\/spectrum\/wp-content\/uploads\/2018\/07\/feu.jpg 1362w\" sizes=\"(max-width: 524px) 100vw, 524px\" \/><\/p>\n<h2>Feux festifs<\/h2>\n<p class=\"western\">Bien-s\u00fbr on ne saurait manquer de mentionner les feux rencontr\u00e9s lors la f\u00eate du 1er Ao\u00fbt. A midi ou en d\u00e9but de soir\u00e9e, c\u2019est sous forme de feu de camp qu\u2019on le verra. Un cervelas plant\u00e9 au bout d\u2019un b\u00e2ton pointu ne pourrait faire faux bond un tel jour. Plus tard nous pourrons prendre part ou assister au cort\u00e8ge des enfants arm\u00e9s de redoutables lampions ! Dans certaines communes, on allumera un grand brasier autour duquel on se retrouvera. Enfin, la soir\u00e9e touchant \u00e0 sa fin, elle ne serait rien sans les feux d\u2019artifices ! Bien que nombre d\u2019entre nous s\u2019accordent pour trouver ce spectacle un peu niais et lancer la vanne pourrie \u201cOh la belle bleue\u201d. La sc\u00e8ne n\u2019en reste pas moins fascinante. Derri\u00e8re la magie des feux d\u2019artifices se cachent technique et prudence. Les feux d\u2019artifices restent des objets dangereux, m\u00eame ceux vendus en libre service par nos deux g\u00e9ants orange nationaux\u00a0!<\/p>\n<p>Tout en profitant de votre \u00e9t\u00e9, ne laissez pas votre bon sens \u00e0 la biblioth\u00e8que et emmenez-le en vacances, pour vous \u00e9viter \u00e0 vous et \u00e0 vos ami<span style=\"font-family: Times New Roman, serif;\">\ua78f<\/span>e<span style=\"font-family: Times New Roman, serif;\">\ua78f<\/span>s de s\u00e9rieux ennuis\u00a0!<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-9043 aligncenter\" src=\"https:\/\/student.unifr.ch\/spectrum\/wp-content\/uploads\/2018\/07\/Feudartifice-903x600.jpg\" alt=\"\" width=\"553\" height=\"367\" srcset=\"https:\/\/student.unifr.ch\/spectrum\/wp-content\/uploads\/2018\/07\/Feudartifice-903x600.jpg 903w, https:\/\/student.unifr.ch\/spectrum\/wp-content\/uploads\/2018\/07\/Feudartifice-768x510.jpg 768w, https:\/\/student.unifr.ch\/spectrum\/wp-content\/uploads\/2018\/07\/Feudartifice-1807x1200.jpg 1807w, https:\/\/student.unifr.ch\/spectrum\/wp-content\/uploads\/2018\/07\/Feudartifice-1920x1275.jpg 1920w, https:\/\/student.unifr.ch\/spectrum\/wp-content\/uploads\/2018\/07\/Feudartifice-530x352.jpg 530w\" sizes=\"(max-width: 553px) 100vw, 553px\" \/><\/p>\n<p style=\"text-align: right;\"><strong>Image: <\/strong>Gravure de l\u2019ouvrage D. Stolcius von Stolcenberg, 1624, Viridarium chymicum, Francfort-sur-le-Main Repr\u00e9sentation des 4 \u00e9l\u00e9ments. De gauche \u00e0 droite : la terre, l\u2019eau, l\u2019air et le feu<\/p>\n<p style=\"text-align: right;\"><strong>Cr\u00e9dits photo: <\/strong><span class=\"legend\">\u00a9<\/span>Wikicommons<\/p>\n<div class=\"pdf24Plugin-cp\"> \t<form name=\"pdf24Form0\" method=\"post\" action=\"https:\/\/doc2pdf.pdf24.org\/wordpress.php\" target=\"pdf24PopWin\" onsubmit=\"var pdf24Win = window.open('about:blank', 'pdf24PopWin', 'resizable=yes,scrollbars=yes,width=600,height=250,left='+(screen.width\/2-300)+',top='+(screen.height\/3-125)+''); pdf24Win.focus(); if(typeof pdf24OnCreatePDF === 'function'){void(pdf24OnCreatePDF(this,pdf24Win));}\"> \t\t<input type=\"hidden\" name=\"blogCharset\" value=\"Cw1x07UAAA==\" \/><input type=\"hidden\" name=\"blogPosts\" value=\"MwQA\" \/><input type=\"hidden\" name=\"blogUrl\" value=\"yygpKSi20tcvLilNSc0r0SvNy0wr0kvO0C8uSE0uKSrNBQA=\" \/><input type=\"hidden\" name=\"blogName\" value=\"Cy5ITS4pKs0FAA==\" \/><input type=\"hidden\" name=\"blogValueEncoding\" value=\"gzdeflate base64\" \/><input type=\"hidden\" name=\"blogDocHeader\" value=\"AwA=\" \/><input type=\"hidden\" name=\"blogDocSize\" value=\"MzI0qDCyNAcA\" \/><input type=\"hidden\" name=\"blogDocOrientation\" value=\"K8gvKilKzCwBAA==\" \/><input type=\"hidden\" name=\"blogDocStyle\" value=\"AwA=\" \/><input type=\"hidden\" name=\"blogDocFilename\" value=\"AwA=\" \/><input type=\"hidden\" name=\"postId_0\" value=\"szQwMQQA\" \/><input type=\"hidden\" name=\"postTitle_0\" value=\"80lVSEsttVJIzM1UyC9VSM3LS83NtAcA\" \/><input type=\"hidden\" name=\"postLink_0\" value=\"BcHRDYAwCAXAieir\/mjcxlSakgg2Bfb3bkRMvwCPfNiipElfpQ345BYrFXvdTtQDL1PnpFuFviQ2YxX8\" \/><input type=\"hidden\" name=\"postAuthor_0\" value=\"8ylNzkxVcEotLs7PAwA=\" \/><input type=\"hidden\" name=\"postDateTime_0\" value=\"MzIwtNA1MNc1MlUwNLQyMLcyNAcA\" \/><input type=\"hidden\" name=\"postContent_0\" value=\"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\" \/> \t\t<a href=\"https:\/\/www.pdf24.org\" target=\"_blank\" title=\"www.pdf24.org\" rel=\"nofollow\"><img src=\"https:\/\/student.unifr.ch\/spectrum\/wp-content\/plugins\/pdf24-post-to-pdf\/img\/pdf_32x32.png\" alt=\"\" border=\"0\" height=\"32\" \/><\/a> \t\t<span class=\"pdf24Plugin-cp-space\">&nbsp;&nbsp;<\/span> \t\t<span class=\"pdf24Plugin-cp-text\">Envoyer l'article en PDF<\/span> \t\t<span class=\"pdf24Plugin-cp-space\">&nbsp;&nbsp;<\/span> \t\t<input class=\"pdf24Plugin-cp-input\" style=\"margin: 0px;\" type=\"text\" name=\"sendEmailTo\" placeholder=\"Entrez l'adresse e-mail\" \/> \t\t<input class=\"pdf24Plugin-cp-submit\" style=\"margin: 0px;\" type=\"submit\" value=\"Envoyer\" \/> \t<\/form> <\/div>","protected":false},"excerpt":{"rendered":"<div class=\"post-excerpt\">Entre fascination et crainte, quels sont les liens qui persistent entre l\u2019\u00eatre humain moderne et le feu\u00a0? Parfois on oublie d\u2019o\u00f9 l\u2019on vient. Avant&hellip;<\/div>\n","protected":false},"author":24,"featured_media":8993,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[1228],"tags":[1585],"views":1588,"_links":{"self":[{"href":"https:\/\/student.unifr.ch\/spectrum\/wp-json\/wp\/v2\/posts\/9041"}],"collection":[{"href":"https:\/\/student.unifr.ch\/spectrum\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/student.unifr.ch\/spectrum\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/student.unifr.ch\/spectrum\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/student.unifr.ch\/spectrum\/wp-json\/wp\/v2\/comments?post=9041"}],"version-history":[{"count":5,"href":"https:\/\/student.unifr.ch\/spectrum\/wp-json\/wp\/v2\/posts\/9041\/revisions"}],"predecessor-version":[{"id":9050,"href":"https:\/\/student.unifr.ch\/spectrum\/wp-json\/wp\/v2\/posts\/9041\/revisions\/9050"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/student.unifr.ch\/spectrum\/wp-json\/wp\/v2\/media\/8993"}],"wp:attachment":[{"href":"https:\/\/student.unifr.ch\/spectrum\/wp-json\/wp\/v2\/media?parent=9041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/student.unifr.ch\/spectrum\/wp-json\/wp\/v2\/categories?post=9041"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/student.unifr.ch\/spectrum\/wp-json\/wp\/v2\/tags?post=9041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}