{"id":477205,"date":"2017-09-13T02:00:00","date_gmt":"2017-09-12T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=0b7abdf4b89eefb898d485d5c7274e83"},"modified":"2017-09-13T02:00:00","modified_gmt":"2017-09-12T23:00:00","slug":"modern-projection-of-the-old-electroscope-for-nuclear-radiation-quantitative-work-and-demonstrations","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=477205","title":{"rendered":"Modern projection of the old electroscope for nuclear radiation quantitative work and demonstrations"},"content":{"rendered":"<p>Although quantitative measurements in radioactivity teaching and research are only believed to be<br \/>\npossible with high technology, early work in this area was fully accomplished with very simple<br \/>\napparatus such as zinc sulphide screens and electroscopes. This article presents an experimental<br \/>\npractice using the electroscope, which is a very simple apparatus that has been widely used for<br \/>\neducational purposes, although generally for qualitative work. The main objective is to show the<br \/>\npossibility of measuring radioactivity not only in qualitative demonstrations, but also in<br \/>\nquantitative experimental practices. The experimental set-up is a low-cost ion chamber connected to<br \/>\nan electroscope in a configuration that is very similar to that used by Marie and Pierre Currie,<br \/>\nRutherford, Geiger, Pacini, Hess and other great researchers from the time of the big discoveries in<br \/>\nnuclear and high-energy particle physics. An electroscope leaf is filmed and projected, permitting<br \/>\nthe collection of quan&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Although quantitative measurements in radioactivity teaching and research are only believed to be<br \/>\npossible with high technology, early work in this area was fully accomplished with very simple<br \/>\napparatus such as zinc sulphide screens and electroscopes&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-477205","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/477205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=477205"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/477205\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=477205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=477205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=477205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}