{"id":9350,"date":"2022-04-25T09:56:26","date_gmt":"2022-04-25T07:56:26","guid":{"rendered":"https:\/\/agora.xtec.cat\/zer-altllucanes\/?p=9350"},"modified":"2022-04-28T11:12:18","modified_gmt":"2022-04-28T09:12:18","slug":"mentre-cantem-sorgeixen-inquietuds","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/zer-altllucanes\/la-forja\/mentre-cantem-sorgeixen-inquietuds\/","title":{"rendered":"MENTRE CANTEM&#8230; SORGEIXEN INQUIETUDS!"},"content":{"rendered":"<p style=\"text-align: justify;\">Busquem una resposta&#8230;<\/p>\n<p style=\"text-align: center;\"><strong><i>PER QU\u00c8 EL GLOBUS AROST\u00c0TIC VOLA?<\/i><\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>\u00c9s la m\u00e0quina voladora m\u00e9s senzilla.<\/strong> El globus \u00e9s un embolcall de\u00a0<a title=\"Teixit (t\u00e8xtil)\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Teixit_(t%C3%A8xtil)\"><span style=\"color: windowtext; text-decoration: none; text-underline: none;\">tela<\/span><\/a>\u00a0ple d\u2019un\u00a0<a title=\"Gas\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Gas\"><span style=\"color: windowtext; text-decoration: none; text-underline: none;\">gas<\/span><\/a>\u00a0m\u00e9s lleuger que l\u2019<a title=\"Atmosfera\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Atmosfera\"><span style=\"color: windowtext; text-decoration: none; text-underline: none;\">atmosfera<\/span><\/a>\u00a0circumdant. Com que el globus sencer \u00e9s menys\u00a0<a title=\"Densitat\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Densitat\"><span style=\"color: windowtext; text-decoration: none; text-underline: none;\">dens<\/span><\/a>\u00a0que el seu entorn, s\u2019eleva.<\/p>\n<p style=\"text-align: justify;\">Quan s\u2019escalfa, l\u2019aire s\u2019expandeix, de manera que un determinat volum d\u2019espai cont\u00e9 menys aire. <strong>Aix\u00f2 el fa m\u00e9s lleuger<\/strong> i, si el seu poder d\u2019elevaci\u00f3 \u00e9s superior al pes del globus que el cont\u00e9, aixecar\u00e0 el globus cap amunt. Un globus aerost\u00e0tic nom\u00e9s pot mantenir-se enlairat si t\u00e9 combustible pel seu\u00a0<a title=\"Cremador\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Cremador\"><span style=\"color: windowtext; text-decoration: none; text-underline: none;\">cremador<\/span><\/a>, per mantenir l\u2019aire prou calent.<\/p>\n<p style=\"text-align: justify;\">Aqu\u00ed hem realitzat un petit experiment que ens ha ajudat a entendre que l&#8217;aire calent puja:<\/p>\n<div style=\"width: 1280px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-9350-1\" width=\"1280\" height=\"720\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/agora.xtec.cat\/zer-altllucanes\/wp-content\/uploads\/usu1122\/2022\/04\/GLOBUS-1-1.mp4?_=1\" \/><a href=\"https:\/\/agora.xtec.cat\/zer-altllucanes\/wp-content\/uploads\/usu1122\/2022\/04\/GLOBUS-1-1.mp4\">https:\/\/agora.xtec.cat\/zer-altllucanes\/wp-content\/uploads\/usu1122\/2022\/04\/GLOBUS-1-1.mp4<\/a><\/video><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Busquem una resposta&#8230;<br \/>\nPER QU\u00c8 EL GLOBUS AROST\u00c0TIC VOLA?<br \/>\n\u00c9s la m\u00e0quina voladora m\u00e9s senzilla. El globus \u00e9s un embolcall de\u00a0<a title=\"Teixit (t\u00e8xtil)\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Teixit_(t%C3%A8xtil)\">tela<\/a>\u00a0ple d\u2019un\u00a0<a title=\"Gas\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Gas\">gas<\/a>\u00a0m\u00e9s lleuger que l\u2019<a title=\"Atmosfera\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Atmosfera\">atmosfera<\/a>\u00a0circumdant. Com que el globus sencer \u00e9s menys\u00a0<a title=\"Densitat\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Densitat\">dens<\/a>\u00a0que el seu entorn, s\u2019eleva.<br \/>\nQuan s\u2019escalfa, l\u2019aire&hellip;  <a href=\"https:\/\/agora.xtec.cat\/zer-altllucanes\/la-forja\/mentre-cantem-sorgeixen-inquietuds\/\" title=\"Read MENTRE CANTEM&#8230; SORGEIXEN INQUIETUDS!\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[23],"tags":[261,36,195,116],"class_list":["post-9350","post","type-post","status-publish","format-standard","hentry","category-la-forja","tag-cantata","tag-laforja","tag-mitjans-la-forja","tag-musica"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/zer-altllucanes\/wp-json\/wp\/v2\/posts\/9350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/zer-altllucanes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/zer-altllucanes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/zer-altllucanes\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/zer-altllucanes\/wp-json\/wp\/v2\/comments?post=9350"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/zer-altllucanes\/wp-json\/wp\/v2\/posts\/9350\/revisions"}],"predecessor-version":[{"id":9354,"href":"https:\/\/agora.xtec.cat\/zer-altllucanes\/wp-json\/wp\/v2\/posts\/9350\/revisions\/9354"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/zer-altllucanes\/wp-json\/wp\/v2\/media?parent=9350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/zer-altllucanes\/wp-json\/wp\/v2\/categories?post=9350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/zer-altllucanes\/wp-json\/wp\/v2\/tags?post=9350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}