{"version":"1.0","type":"video","provider_name":"Viously","provider_url":"https:\/\/www.viously.com","width":"500","height":"282","thumbnail_width":620,"thumbnail_height":349,"title":"Apprenez \u00e0 tailler le silex comme \u00e0 la Pr\u00e9histoire","author_name":"Futura","author_url":"https:\/\/video.futura-sciences.com\/","thumbnail_url":"https:\/\/cdn.viously.com\/video\/z8QJjHT6BMA\/latest-w620.jpg","html":"<div itemprop=\"video\" itemscope itemtype=\"\/\/schema.org\/VideoObject\"><link itemprop=\"url\" href=\"https:\/\/video.futura-sciences.com\/futura\/z8QJjHT6BMA\" \/><meta itemprop=\"name\" content=\"Apprenez \u00e0 tailler le silex comme \u00e0 la Pr\u00e9histoire\" \/><meta itemprop=\"description\" content=\"Entre 5.000 et 10.000 ans avant J.-C., les Hommes vivaient de chasse et de cueillette et, pour ce faire, b\u00e9n\u00e9ficiaient d\u2019un outillage efficace. Fabriqu\u00e9s en bois et en silex, ils \u00e9taient taill\u00e9s avec pr\u00e9cision gr\u00e2ce \u00e0 une technique innovante. La pierre \u00e9tait tout d\u2019abord d\u00e9grossie avec un percuteur rond et dur avant d\u2019\u00eatre travaill\u00e9e par percussion indirecte pour cr\u00e9er de petites lames.\nCette technique s'est ensuite diffus\u00e9e assez rapidement en Europe de l\u2019Ouest, ce qui semble indiquer de forts \u00e9changes sociaux entre les individus au M\u00e9solithique. Aujourd\u2019hui encore, cette m\u00e9thode est utilis\u00e9e par les tailleurs de pierre\u00a0; le bois de cervid\u00e9 est cependant remplac\u00e9 par un ciseau.\n\u00a9 Docland Yard - Gedeon Programmes - Universciences - Inrap\" \/><meta itemprop=\"duration\" content=\"PT7M38S\" \/><meta itemprop=\"uploadDate\" content=\"2020-04-09 09:17:13\" \/><link itemprop=\"thumbnailUrl\" href=\"https:\/\/cdn.viously.com\/video\/z8QJjHT6BMA\/latest-w620.jpg\" \/><span itemprop=\"thumbnail\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"><link itemprop=\"url\" href=\"https:\/\/cdn.viously.com\/video\/z8QJjHT6BMA\/latest-w620.jpg\" \/><meta itemprop=\"width\" content=\"620\" \/><meta itemprop=\"height\" content=\"349\" \/><\/span><link itemprop=\"embedURL\" href=\"https:\/\/video.futura-sciences.com\/export\/z8QJjHT6BMA\" \/><meta itemprop=\"playerType\" content=\"HTML5\" \/><meta itemprop=\"width\" content=\"640\" \/><meta itemprop=\"height\" content=\"480\" \/><div class=\"vsly-player\" id=\"z8QJjHT6BMA\" style=\"background:#ddd;font-size:0;position:relative;overflow:hidden;width:min(100%,50vh);max-height:50vh;aspect-ratio:1\/1;margin:0 auto;\" data-height=\"16\" data-width=\"16\" data-iframe=\"https:\/\/www.viously.com\/amp\/z8QJjHT6BMA\" data-img=\"https:\/\/cdn.viously.com\/video\/z8QJjHT6BMA\/latest-w620.webp\"><\/div><script id=\"xieg6Sie\" src=\"https:\/\/cdn.viously.com\/js\/sdk\/boot.js\"><\/script><\/div>"}