{"id":224,"date":"2008-06-23T11:37:59","date_gmt":"2008-06-23T10:37:59","guid":{"rendered":"http:\/\/pixy.cz\/pixynergia\/?p=224"},"modified":"2008-06-23T11:37:59","modified_gmt":"2008-06-23T10:37:59","slug":"klika-a-para","status":"publish","type":"post","link":"https:\/\/www.pixy.cz\/pixynergia\/2008\/06\/23\/klika-a-para","title":{"rendered":"Klika a p\u00e1ra"},"content":{"rendered":"\n<p>\u017dijeme v\u00a0dal\u0161\u00edm, po\u0159ad\u00ed ji\u017e t\u0159et\u00edm stolet\u00ed p\u00e1ry a konce nevid\u011bt.\nN\u011bjak to po\u0159\u00e1d nedok\u00e1\u017eu pochopit: lidstvo rozb\u00edj\u00ed atomy, rozmot\u00e1v\u00e1 DNA\na l\u00e9t\u00e1 do vesm\u00edru, ale co se energie t\u00fd\u010de, na nic lep\u0161\u00edho ne\u017e to\u010dit\nklikou a vrtulkou dosud na\u0161e v\u011bda nevymyslela. Nejefektivn\u011bj\u0161\u00ed, co\ndok\u00e1\u017eeme, je zatopit pod kotlem a vrtulku popohnat p\u00e1rou z\u00a0vrouc\u00ed\nvody\u2026\u00a0<img\nsrc=\"http:\/\/stanicek.com\/pixynergia\/wp-includes\/images\/smilies\/icon_wink.gif\"\nalt=\";-)\" class=\"smiley\" \/><\/p>\n\n<p>Pravda, je\u0161t\u011b dok\u00e1\u017eeme cmrdnout trochu ho\u0159laviny do tlak\u00e1\u010de, \u0161krtnout\na n\u00e1sledn\u00fd v\u00fdbuch n\u00e1m pooto\u010d\u00ed kole\u010dkem. Tento postup se nejv\u00edc\npou\u017e\u00edv\u00e1 coby energie okam\u017eit\u00e9 spot\u0159eby, p\u0159\u00edm\u00e1 p\u0159em\u011bna energie\nchemick\u00fdch reakc\u00ed na teplo a pohyb\u00a0\u2013 skladovat se to ned\u00e1. Jedin\u00e1\nenergie, kterou dok\u00e1\u017eeme aspo\u0148 \u010d\u00e1ste\u010dn\u011b efektivn\u011b skladovat, je ta\nelektrick\u00e1, by\u0165 to um\u00edme pouze v\u00a0mal\u00e9m. Ale jak ji dok\u00e1\u017eeme vyrobit?\nP\u00e1ra a vrtulka, klika a dynamo, nic lep\u0161\u00edho neum\u00edme.<\/p>\n\n<ul>\n\t<li>Vodn\u00ed elektr\u00e1ny\u00a0\u2013 vrtulkou to\u010d\u00ed voda padaj\u00edc\u00ed z\u00a0v\u00fd\u0161ky<\/li>\n\n\t<li>V\u011btrn\u00e9 elektr\u00e1rny\u00a0\u2013 vrtulkou to\u010d\u00ed foukaj\u00edc\u00ed v\u00edtr<\/li>\n\n\t<li>Parn\u00ed elektr\u00e1rny\u00a0\u2013 zatop\u00edme pod kotlem, voda se za\u010dne va\u0159it, p\u00e1ra\n\trozto\u010d\u00ed vrtulku. H\u00e1d\u00e1me se leda o\u00a0to, \u010d\u00edm pod t\u00edm kotlem\u00a0topit:\n\t\t<ul>\n\t\t\t<li>fosiliemi vykopan\u00fdmi ze zem\u011b<\/li>\n\n\t\t\t<li>ho\u0159lavinami vyroben\u00fdmi z\u00a0t\u011bchto fosili\u00ed<\/li>\n\n\t\t\t<li>such\u00fdmi rostlinami<\/li>\n\n\t\t\t<li>to v\u016fbec nejlep\u0161\u00ed, co um\u00edme: rozb\u00edt atom, vyrobit nov\u00e9 chemick\u00e9\n\t\t\tprvky, sezvat \u0161pi\u010dkov\u00e9 v\u011bdce, postavit hi-tech za\u0159\u00edzen\u00ed, kter\u00e9 oh\u0159\u00edv\u00e1\n\t\t\tvodu pod kotlem <a\n\t\t\thref=\"http:\/\/cs.wikipedia.org\/wiki\/Jadern\u00e1_elektr\u00e1rna\">velmi\n\t\t\tsofistikovan\u011b<\/a>\u00a0\u2013 a p\u00e1ra to\u010d\u00ed vrtulkou\u2026<\/li>\n\t\t<\/ul>\n\t<\/li>\n<\/ul>\n\n<p>Uboh\u00e9. Um\u00edme v\u016fbec n\u011bco jin\u00e9ho? Slune\u010dn\u00ed \u010dl\u00e1nky? Prakticky nulov\u00e1\nefektivita, srovnateln\u00e1 s\u00a0energi\u00ed ze \u017eab\u00edch steh\u00fdnek. Geoterm\u00e1ln\u00ed\nelektr\u00e1rny? Najdeme-li horkou vodu v\u00a0zemi, nemus\u00edme topit pod kotlem, sta\u010d\u00ed\np\u0159ilo\u017eit vrtulku, no bezva\u2026 A\u00a0co jinak? Vod\u00edkov\u00e9 \u010dl\u00e1nky? V\u00a0plenk\u00e1ch.\nJadern\u00e1 f\u00faze? V\u00a0prenat\u00e1ln\u00edm\u00a0sta\u00advu.<\/p>\n\n<p>P\u0159itom <em>mc<sup>2<\/sup><\/em>, tolik energie je pr\u00fd v\u00a0ka\u017ed\u00e9 hmot\u011b. Jen\nvydolovat ji z\u00a0n\u00ed neum\u00edme. A\u00a0tu tro\u0161ku, co vydolovat dok\u00e1\u017eeme, z\u00a099\u00a0%\npromrh\u00e1me do luftu a zbyl\u00fdm \u017ebr\u010folkem oh\u0159\u00edv\u00e1me vodu v\u00a0kotli\u2026<\/p>\n\n<p>V\u016fbec bych se nedivil, kdyby se jednou n\u011bjakou f\u00fazn\u00ed elektr\u00e1rnu\npoda\u0159ilo postavit. V\u00a0nejdra\u017e\u0161\u00edm tokamaku sv\u011bta se budou slu\u010dovat j\u00e1dra\nlehk\u00fdch atom\u016f a vznikl\u00e9 extr\u00e9mn\u011b hork\u00e9 plazma bude oh\u0159\u00edvat vodu\nv\u00a0kotli\u00a0\u2013 a p\u00e1ra bude to\u010dit vrtulkou.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u017dijeme v\u00a0dal\u0161\u00edm, po\u0159ad\u00ed ji\u017e t\u0159et\u00edm stolet\u00ed p\u00e1ry a konce nevid\u011bt. N\u011bjak to po\u0159\u00e1d nedok\u00e1\u017eu pochopit: lidstvo rozb\u00edj\u00ed atomy, rozmot\u00e1v\u00e1 DNA a l\u00e9t\u00e1 do vesm\u00edru, ale co se energie t\u00fd\u010de, na nic lep\u0161\u00edho ne\u017e to\u010dit klikou a vrtulkou dosud na\u0161e v\u011bda nevymyslela. Nejefektivn\u011bj\u0161\u00ed, co dok\u00e1\u017eeme, je zatopit pod kotlem a vrtulku popohnat p\u00e1rou z\u00a0vrouc\u00ed vody\u2026\u00a0 Pravda, &hellip; <a href=\"https:\/\/www.pixy.cz\/pixynergia\/2008\/06\/23\/klika-a-para\" class=\"more-link\">Pokra\u010dov\u00e1n\u00ed textu <span class=\"screen-reader-text\">Klika a p\u00e1ra<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-224","post","type-post","status-publish","format-standard","hentry","category-vseobecne"],"_links":{"self":[{"href":"https:\/\/www.pixy.cz\/pixynergia\/wp-json\/wp\/v2\/posts\/224","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pixy.cz\/pixynergia\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pixy.cz\/pixynergia\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pixy.cz\/pixynergia\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pixy.cz\/pixynergia\/wp-json\/wp\/v2\/comments?post=224"}],"version-history":[{"count":0,"href":"https:\/\/www.pixy.cz\/pixynergia\/wp-json\/wp\/v2\/posts\/224\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pixy.cz\/pixynergia\/wp-json\/wp\/v2\/media?parent=224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pixy.cz\/pixynergia\/wp-json\/wp\/v2\/categories?post=224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pixy.cz\/pixynergia\/wp-json\/wp\/v2\/tags?post=224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}