{"id":6918,"date":"2022-09-08T16:17:05","date_gmt":"2022-09-08T14:17:05","guid":{"rendered":"https:\/\/www.bretzel-liquide.com\/blog\/?p=6918"},"modified":"2023-07-29T08:05:23","modified_gmt":"2023-07-29T06:05:23","slug":"lage-du-crayon-taille","status":"publish","type":"post","link":"https:\/\/www.bretzel-liquide.com\/blog\/2022\/09\/08\/lage-du-crayon-taille\/","title":{"rendered":"l&rsquo;\u00e2ge du crayon taill\u00e9"},"content":{"rendered":"\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 606 \/ 1080;\" width=\"606\" controls src=\"https:\/\/www.bretzel-liquide.com\/blog\/wp-content\/uploads\/2022\/09\/Pencil-sharpener-from-the-1890s-lage-du-crayon-taille.mp4\"><\/video><figcaption class=\"wp-element-caption\">l&rsquo;\u00e2ge du crayon taill\u00e9<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">l&rsquo;\u00e2ge du crayon taill\u00e9 (Pencil sharpener from the 1890s)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.bretzel-liquide.com\/blog\/2023\/07\/29\/prehistoire-lage-du-crayon-taille\/\">version longue ici<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les plus anciens t\u00e9moignages d&rsquo;une taille des crayons sont des \u00e9clats d\u00e9bit\u00e9s qui proviennent de diff\u00e9rents sites du bassin du lac Turkana (Afrique de l&rsquo;Est) remontant \u00e0 une p\u00e9riode comprise entre 2,35 et 2&nbsp;millions d&rsquo;ann\u00e9es. Dans un de ces sites, celui de Lokalalei 2C (Kenya), il a \u00e9t\u00e9 possible de reconstituer le crayon originel (nucleus) en remontant les \u00e9clats d\u00e9bit\u00e9s \u00e0 partir d&rsquo;une m\u00eame surface. Ce d\u00e9bitage montre la possession d&rsquo;un savoir-faire prenant en compte la morphologie du crayon et contr\u00f4lant l&rsquo;angle de d\u00e9bitage pour un aff\u00fbtage optimal. source : <a href=\"https:\/\/www.universalis.fr\/encyclopedie\/premiers-outils-de-pierre-taillee\/#i_36126\" target=\"_blank\" rel=\"noreferrer noopener\">Encyclopedia Universalis<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>l&rsquo;\u00e2ge du crayon taill\u00e9 (Pencil sharpener from the 1890s) version longue ici Les plus anciens t\u00e9moignages d&rsquo;une taille des crayons sont des \u00e9clats d\u00e9bit\u00e9s qui proviennent de diff\u00e9rents sites du bassin du lac Turkana (Afrique de l&rsquo;Est) remontant \u00e0 une p\u00e9riode comprise entre 2,35 et 2&nbsp;millions d&rsquo;ann\u00e9es. Dans un de ces sites, celui de Lokalalei [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[177,127,20,153,18,21],"class_list":["post-6918","post","type-post","status-publish","format-standard","hentry","category-les-belles-histoires-de-tonton-yves","tag-bricolage","tag-histoire","tag-nostalgie","tag-science","tag-video","tag-vieux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>l&#039;\u00e2ge du crayon taill\u00e9 - \u00e0 l&#039;ombre d&#039;un paradoxe en fleur<\/title>\n<meta name=\"description\" content=\"l&#039;\u00e2ge du crayon taill\u00e9 (Pencil sharpener from the 1890s) Les plus anciens t\u00e9moignages d&#039;une taille des crayons proviennent du lac Turkana\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bretzel-liquide.com\/blog\/2022\/09\/08\/lage-du-crayon-taille\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"l&#039;\u00e2ge du crayon taill\u00e9 - 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