{"id":2271,"date":"2010-11-30T00:01:07","date_gmt":"2010-11-29T23:01:07","guid":{"rendered":"http:\/\/www.maurograziani.org\/wordpress\/?p=2271"},"modified":"2025-08-22T18:14:36","modified_gmt":"2025-08-22T16:14:36","slug":"pyrophone","status":"publish","type":"post","link":"https:\/\/maurograziani.org\/wordpress\/archives\/2271","title":{"rendered":"Pyrophone"},"content":{"rendered":"<p>Il <a href=\"http:\/\/en.wikipedia.org\/wiki\/Pyrophone\" target=\"_blank\" rel=\"noopener\">pyrophone<\/a> \u00e8 l&#8217;organo a gas o organo termoacustico. In questo strumento, come nell&#8217;organo normale, c&#8217;\u00e8 una canna per ogni nota, ma l&#8217;aria fluisce attraverso le canne non grazie a un motore, bens\u00ec creando una differenza termica fra la parte bassa e quella alta della canna.<\/p>\n<p>Riscaldando la parte bassa con una fiamma, l&#8217;aria calda si muove rapidamente verso l&#8217;alto creando il flusso che provoca il suono. In questo, \u00e8 simile al <a href=\"http:\/\/en.wikipedia.org\/wiki\/Calliope_%28music%29\" target=\"_blank\" rel=\"noopener\">calliope a vapore<\/a>, con la differenza che in quest&#8217;ultimo, la combustione \u00e8 esterna alla canna, mentre nel pyrophone \u00e8 interna.<\/p>\n<p>Ecco un video del pyrophone. Impressionante.<\/p>\n<p><iframe loading=\"lazy\" title=\"&quot;Toccata in D minor (Bach) played on Fire Organ at Transworld Halloween Show\" width=\"584\" height=\"329\" src=\"https:\/\/www.youtube.com\/embed\/-reR7GEk6To?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<div class=\"related-posts\">\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Il pyrophone \u00e8 l&#8217;organo a gas o organo termoacustico. In questo strumento, come nell&#8217;organo normale, c&#8217;\u00e8 una canna per ogni nota, ma l&#8217;aria fluisce attraverso le canne non grazie a un motore, bens\u00ec creando una differenza termica fra la parte &hellip; <a href=\"https:\/\/maurograziani.org\/wordpress\/archives\/2271\">Continua a leggere<span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[29],"tags":[736],"class_list":["post-2271","post","type-post","status-publish","format-standard","hentry","category-mus","tag-strumenti"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/maurograziani.org\/wordpress\/wp-json\/wp\/v2\/posts\/2271"}],"collection":[{"href":"https:\/\/maurograziani.org\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/maurograziani.org\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/maurograziani.org\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/maurograziani.org\/wordpress\/wp-json\/wp\/v2\/comments?post=2271"}],"version-history":[{"count":1,"href":"https:\/\/maurograziani.org\/wordpress\/wp-json\/wp\/v2\/posts\/2271\/revisions"}],"predecessor-version":[{"id":17565,"href":"https:\/\/maurograziani.org\/wordpress\/wp-json\/wp\/v2\/posts\/2271\/revisions\/17565"}],"wp:attachment":[{"href":"https:\/\/maurograziani.org\/wordpress\/wp-json\/wp\/v2\/media?parent=2271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/maurograziani.org\/wordpress\/wp-json\/wp\/v2\/categories?post=2271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/maurograziani.org\/wordpress\/wp-json\/wp\/v2\/tags?post=2271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}