{"id":135706,"date":"2015-10-23T02:00:00","date_gmt":"2015-10-22T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=79b20cbbf53dfebea3cf55217f367f0b"},"modified":"2015-10-23T02:00:00","modified_gmt":"2015-10-22T23:00:00","slug":"humphrey-davy-and-the-safety-lamp-the-use-of-metal-gauze-as-a-flame-barrier","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=135706","title":{"rendered":"Humphrey Davy and the safety lamp: the use of metal gauze as a flame barrier"},"content":{"rendered":"<p>The \u2018safety lamp\u2019 invented by Humphrey Davy in 1815 utilised the cooling effect of metal gauze to<br \/>\nprevent the flame of a candle or oil lamp (essential for illumination in mines) from passing through<br \/>\nsuch a screen. It is therefore rendered unable to ignite any potentially explosive mixture of air<br \/>\nand methane in the atmosphere surrounding the lamp. A number of experimental demonstrations are<br \/>\ndetailed to illustrate this effect, and show how the lamp could also indicate the presence of<br \/>\nmethane in the air of a coal mine.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The \u2018safety lamp\u2019 invented by Humphrey Davy in 1815 utilised the cooling effect of metal gauze to<br \/>\nprevent the flame of a candle or oil lamp (essential for illumination in mines) from passing through<br \/>\nsuch a screen. It is therefore rendered unable &#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-135706","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\/135706","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=135706"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/135706\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=135706"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=135706"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=135706"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}