{"id":2421,"date":"2012-01-06T17:16:11","date_gmt":"2012-01-06T15:16:11","guid":{"rendered":"http:\/\/www.ilkkimbuldu.com\/?p=2421"},"modified":"2018-03-06T11:18:07","modified_gmt":"2018-03-06T09:18:07","slug":"atom-saatini-kim-buldu","status":"publish","type":"post","link":"https:\/\/www.ilkkimbuldu.com\/?p=2421","title":{"rendered":"Atom Saatini kim buldu"},"content":{"rendered":"<h2><strong>Atom Saatini kim icat etti?<\/strong><\/h2>\n<p>Atom veya molek\u00fcllerin titre\u015fimlerini kullanarak zaman\u0131 b\u00fcy\u00fck bir hassasiyetle \u00f6l\u00e7en alet. Zaman \u00f6l\u00e7\u00fcm\u00fcnde temel birim saniyedir. Saniye g\u00fcne\u015f g\u00fcn\u00fcn\u00fcn uzunlu\u011funa ba\u011fl\u0131 olarak tarif edilmi\u015ftir. Ancak bilimsel \u00e7al\u0131\u015fmalar i\u00e7in saniyeden daha ileri bir hassasiyet gerekmektedir. Atom saatinin esas\u0131n\u0131, atom ve molek\u00fcllerinin belirli frekanslarda enerji emerek veya yayarak, enerji al\u0131p verebilecek duruma\u00a0 gelebilmeleri te\u015fkil etmektedir.<\/p>\n<p>Bir atom veya molek\u00fcl sisteminden y\u00fcksek frekansta kararl\u0131 elektromanyetik dalgalar \u00fcreten ve maser ad\u0131 verilen bu cihazlar \u00fczerindeki \u00e7al\u0131\u015fmalar 1940 y\u0131l\u0131nda ba\u015flam\u0131\u015ft\u0131r. 1949\u2019da ABD\u2019nin Milli Standartlar B\u00fcrosu, amonyak molek\u00fcl\u00fcn\u00fcn \u00f6zelliklerine ba\u011fl\u0131 olarak <a title=\"Saati kim buldu\" href=\"http:\/\/www.ilkkimbuldu.com\/saati-kim-buldu\/\">ilk saati<\/a> imal etmi\u015ftir.<\/p>\n<p>1945 y\u0131l\u0131nda <strong>Isidor Rabi<\/strong> daha stabil titre\u015fim i\u00e7in sezyumun kullan\u0131lmas\u0131 fikrini veren ki\u015fi olmu\u015ftur. Bu fikir <strong>Louis Essen<\/strong> ve <strong>Jack Parry<\/strong> taraf\u0131ndan geli\u015ftirilerek, 1955\u2019te \u0130ngiltere\u2019de, frekans\u0131, saniyede 9.192.631.750 devir olan sezyum \u0131\u015f\u0131n\u0131 kullan\u0131larak atom saati yap\u0131lm\u0131\u015ft\u0131r. Bu saatin hassasiyeti 1\/1011 derecesinde olup, 1963 y\u0131l\u0131nda milletleraras\u0131 zaman standard\u0131 olarak kabul edilmi\u015ftir.<\/p>\n<p>1960 y\u0131l\u0131nda ABD\u2019de 1\/1012 hassasiyetinde hidrojen \u0131\u015f\u0131n maseri geli\u015ftirilmi\u015f olup, hassasiyeti 1\/1014e y\u00fckseltmek i\u00e7in \u00e7al\u0131\u015fmalar yap\u0131lmaktad\u0131r. 1\/1014 hassasiyet \u00fc\u00e7 milyon y\u0131lda bir saniyelik bir hataya kar\u015f\u0131l\u0131k gelmektedir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Atom Saatini kim icat etti? Atom veya molek\u00fcllerin titre\u015fimlerini kullanarak zaman\u0131 b\u00fcy\u00fck bir hassasiyetle \u00f6l\u00e7en alet. Zaman \u00f6l\u00e7\u00fcm\u00fcnde temel birim saniyedir. Saniye g\u00fcne\u015f g\u00fcn\u00fcn\u00fcn uzunlu\u011funa ba\u011fl\u0131 olarak tarif edilmi\u015ftir. Ancak&#8230;<\/p>\n","protected":false},"author":1,"featured_media":11037,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[1384],"class_list":["post-2421","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim","tag-atom-saati"],"_links":{"self":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/2421"}],"collection":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2421"}],"version-history":[{"count":8,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/2421\/revisions"}],"predecessor-version":[{"id":11038,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/2421\/revisions\/11038"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/media\/11037"}],"wp:attachment":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}