{"id":5055,"date":"2013-04-08T21:00:20","date_gmt":"2013-04-09T00:00:20","guid":{"rendered":"http:\/\/scienceblogs.com.br\/hypercubic\/?p=5055"},"modified":"2013-04-08T21:00:20","modified_gmt":"2013-04-09T00:00:20","slug":"a-outra-pipa-de-franklin","status":"publish","type":"post","link":"https:\/\/www.blogs.unicamp.br\/hypercubic\/2013\/04\/a-outra-pipa-de-franklin\/","title":{"rendered":"A outra pipa de Franklin"},"content":{"rendered":"<figure style=\"width: 673px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" alt=\"\" src=\"http:\/\/scienceblogs.com.br\/hypercubic\/files\/2013\/04\/Franklin_lightning_engraving.jpg\" width=\"673\" height=\"1089\" \/><figcaption class=\"wp-caption-text\">Essa \u00e9 a pipa mais famosa, mas Franklin fez sua primeira descoberta com outra pipa, durante uma brincadeira. [gravura de Natural Philosophy for Common and High Schools (1881), de Le Roy C. Cooley]<\/figcaption><\/figure>\n<blockquote>\n<p align=\"justify\"><span style=\"font-family: Georgia\">Quando eu era um menino, me diverti certo dia ao lan\u00e7ar uma pipa de papel. Ao me aproximar do barranco de uma lagoa, que tinha mais ou menos uma milha de largura, amarrei a linha em uma estaca e a pipa subiu a uma consider\u00e1vel altitude acima da lagoa enquanto eu nadava. Em pouco tempo, desejei me divertir com a minha pipa e, ao mesmo tempo, me deleitar com o prazer da nata\u00e7\u00e3o. Assim, sa\u00ed, soltei um pouco a linha da pequena estaca \u00e0 qual estava amarrada, e voltei novamente para a \u00e1gua. L\u00e1 eu percebi que, apoiado em minhas costas e segurando a estaca em minhas m\u00e3os, eu era puxado atrav\u00e9s da superf\u00edcie da lagoa de maneira bastante agrad\u00e1vel. Depois, chamei outro menino e pedi-lhe que levasse minhas roupas ao redor da lagoa, para um lugar que lhe apontei e que ficava do outro lado; e comecei a cruzar a lagoa com minha pipa, que me carregava e me deixava muito bem, sem a menor fadiga e com o maior prazer imagin\u00e1vel. Ocasionalmente, eu apenas tinha que parar um pouco no meu percurso e resistir contra seu progresso, quando me parecia que estava indo demasiado r\u00e1pido. Ent\u00e3o eu recolhia a pipa, \u00e0s vezes demais, o que depois me fazia solt\u00e1-la de novo.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia\">Desde ent\u00e3o, nunca mais pratiquei esse singular modo de nadar. Eu considero que n\u00e3o deve ser imposs\u00edvel cruzar, dessa maneira, [o Canal da Mancha,] de Dover a Calais. O paquete, entretanto, ainda \u00e9 prefer\u00edvel. \u2014 Benjamin Franklin, em carta a Jacques Barbeu-Duborg, datada de 1773.<\/span><\/p>\n<\/blockquote>\n<p align=\"justify\">Nessa brincadeira deve ter nascido o cientista Benjamin Franklin (1706-1790), que dispensa apresenta\u00e7\u00f5es. Mas quem foi Jacques Barbeu-Dubourg? Bot\u00e2nico, m\u00e9dico, escritor e tradutor, Barbeu-Dubourg (1709-1779) foi o principal divulgador das descobertas de Benjamin Franklin na Fran\u00e7a e, por extens\u00e3o, na Europa continental.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quando eu era um menino, me diverti certo dia ao lan\u00e7ar uma pipa de papel. Ao me aproximar do barranco de uma lagoa, que tinha mais ou menos uma milha de largura, amarrei a linha em uma estaca e a pipa subiu a uma consider\u00e1vel altitude acima da lagoa enquanto eu nadava. Em pouco tempo, [&hellip;]<\/p>\n","protected":false},"author":486,"featured_media":5248,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"material-hide-sections":[],"pgc_sgb_lightbox_settings":"","_vp_format_video_url":"","_vp_image_focal_point":[],"footnotes":""},"categories":[46,50,53,79,160],"tags":[],"class_list":["post-5055","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cartas","category-causos","category-ciencia","category-curiosidades","category-historia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A outra pipa de Franklin - hypercubic<\/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:\/\/www.blogs.unicamp.br\/hypercubic\/2013\/04\/a-outra-pipa-de-franklin\/\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Renato Pincelli\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2013\\\/04\\\/a-outra-pipa-de-franklin\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2013\\\/04\\\/a-outra-pipa-de-franklin\\\/\"},\"author\":{\"name\":\"Renato Pincelli\",\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/#\\\/schema\\\/person\\\/c7be1e2811d061a75d3b4f4960eb53bd\"},\"headline\":\"A outra pipa de Franklin\",\"datePublished\":\"2013-04-09T00:00:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2013\\\/04\\\/a-outra-pipa-de-franklin\\\/\"},\"wordCount\":358,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2013\\\/04\\\/a-outra-pipa-de-franklin\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/wp-content\\\/uploads\\\/sites\\\/249\\\/2013\\\/04\\\/Franklin_lightning_engraving1.jpg\",\"articleSection\":[\"cartas\",\"causos\",\"ci\u00eancia\",\"curiosidades\",\"hist\u00f3ria\"],\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2013\\\/04\\\/a-outra-pipa-de-franklin\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2013\\\/04\\\/a-outra-pipa-de-franklin\\\/\",\"url\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2013\\\/04\\\/a-outra-pipa-de-franklin\\\/\",\"name\":\"A outra pipa de Franklin - 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