{"id":209130,"date":"2025-03-19T09:20:37","date_gmt":"2025-03-19T14:20:37","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/03\/whats-behind-the-pop-and-slosh-when-opening-a-swing-top-bottle-of-beer"},"modified":"2025-03-19T09:20:37","modified_gmt":"2025-03-19T14:20:37","slug":"whats-behind-the-pop-and-slosh-when-opening-a-swing-top-bottle-of-beer","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/03\/whats-behind-the-pop-and-slosh-when-opening-a-swing-top-bottle-of-beer","title":{"rendered":"What\u2019s behind the \u2018pop and slosh\u2019 when opening a swing-top bottle of beer?"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/whats-behind-the-pop-and-slosh-when-opening-a-swing-top-bottle-of-beer.jpg\"><\/a><\/p>\n<p>In a fun experiment, Max Koch, a researcher at the University of G\u00f6ttingen in Germany\u2014who also happens to be passionate about homebrewing\u2014decided to use a high-speed camera to capture what occurs while opening a swing-top bottle of homebrew.<\/p>\n<p>When Robert Mettin, who leads the Ultrasound and Cavitation group at the university\u2019s Third Institute of Physics, Biophysics, suggested that Koch should submit the findings to the special \u201ckitchen flows\u201d issue of <i>Physics of Fluids<\/i>, Koch and his colleagues chose to expand on the home experiment and delve into the novel acoustics and physics at play.<\/p>\n<p>The group found that the sound emitted by opening a pressurized bottle with a swing-top lid isn\u2019t a single shockwave, but rather a very quick \u201cah\u201d sound. Their high-speed video recordings captured condensation within the bottleneck that vibrated up and down in a <a href=\"https:\/\/phys.org\/tags\/standing+wave\/\" rel=\"tag\" class=\"\">standing wave<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In a fun experiment, Max Koch, a researcher at the University of G\u00f6ttingen in Germany\u2014who also happens to be passionate about homebrewing\u2014decided to use a high-speed camera to capture what occurs while opening a swing-top bottle of homebrew. When Robert Mettin, who leads the Ultrasound and Cavitation group at the university\u2019s Third Institute of Physics, [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,219],"tags":[],"class_list":["post-209130","post","type-post","status-publish","format-standard","hentry","category-habitats","category-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/209130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=209130"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/209130\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=209130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=209130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=209130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}