{"id":9056,"date":"2023-07-29T08:04:08","date_gmt":"2023-07-29T06:04:08","guid":{"rendered":"https:\/\/www.bretzel-liquide.com\/blog\/?p=9056"},"modified":"2023-07-29T08:10:49","modified_gmt":"2023-07-29T06:10:49","slug":"prehistoire-lage-du-crayon-taille","status":"publish","type":"post","link":"https:\/\/www.bretzel-liquide.com\/blog\/2023\/07\/29\/prehistoire-lage-du-crayon-taille\/","title":{"rendered":"pr\u00e9histoire : l\u2019\u00e2ge du crayon taill\u00e9"},"content":{"rendered":"\n<figure class=\"wp-block-video\"><video height=\"1024\" style=\"aspect-ratio: 576 \/ 1024;\" width=\"576\" controls src=\"https:\/\/www.bretzel-liquide.com\/blog\/wp-content\/uploads\/2023\/07\/hitoire-du-taille-crayon.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">pr\u00e9histoire : l\u2019\u00e2ge du crayon taill\u00e9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(rediffusion, version longue)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les plus anciens t\u00e9moignages d\u2019une taille des crayons sont des \u00e9clats d\u00e9bit\u00e9s qui proviennent de diff\u00e9rents sites du bassin du lac Turkana (Afrique de l\u2019Est) remontant \u00e0 une p\u00e9riode comprise entre 2,35 et 2&nbsp;millions d\u2019ann\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\u2019une m\u00eame surface. Ce d\u00e9bitage montre la possession d\u2019un savoir-faire prenant en compte la morphologie du crayon et contr\u00f4lant l\u2019angle de d\u00e9bitage pour un aff\u00fbtage optimal. source :&nbsp;<a href=\"https:\/\/www.universalis.fr\/encyclopedie\/premiers-outils-de-pierre-taillee\/#i_36126\" target=\"_blank\" rel=\"noreferrer noopener\">Encyclopedia Universalis<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">tag : taille-crayon, Pencil sharpener<\/p>\n","protected":false},"excerpt":{"rendered":"<p>pr\u00e9histoire : l\u2019\u00e2ge du crayon taill\u00e9 (rediffusion, version longue) Les plus anciens t\u00e9moignages d\u2019une taille des crayons sont des \u00e9clats d\u00e9bit\u00e9s qui proviennent de diff\u00e9rents sites du bassin du lac Turkana (Afrique de l\u2019Est) remontant \u00e0 une p\u00e9riode comprise entre 2,35 et 2&nbsp;millions d\u2019ann\u00e9es. Dans un de ces sites, celui de Lokalalei 2C (Kenya), il [&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":[177,127,69,18],"class_list":["post-9056","post","type-post","status-publish","format-standard","hentry","category-les-belles-histoires-de-tonton-yves","tag-bricolage","tag-histoire","tag-technologie","tag-video"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>pr\u00e9histoire : l\u2019\u00e2ge du crayon taill\u00e9 - \u00e0 l&#039;ombre d&#039;un paradoxe en fleur<\/title>\n<meta name=\"description\" content=\"pr\u00e9histoire : l\u2019\u00e2ge du crayon taill\u00e9. 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