{"id":197720,"date":"2024-10-15T07:15:41","date_gmt":"2024-10-15T12:15:41","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/10\/sound-of-earths-magnetic-flip-41-000-years-ago"},"modified":"2024-10-15T07:15:41","modified_gmt":"2024-10-15T12:15:41","slug":"sound-of-earths-magnetic-flip-41-000-years-ago","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/10\/sound-of-earths-magnetic-flip-41-000-years-ago","title":{"rendered":"Sound of Earth\u2019s magnetic flip 41 000 years ago"},"content":{"rendered":"<p><\/p>\n<p><iframe style=\"display: block; margin: 0 auto; width: 100%; aspect-ratio: 4\/3; object-fit: contain;\" src=\"https:\/\/www.youtube.com\/embed\/6Tc7XI0iUYU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Approximately 41 000 years ago, Earth\u2019s magnetic field briefly reversed during what is known as the Laschamp event. During this time, Earth\u2019s magnetic field weakened significantly\u2014dropping to a minimum of 5% of its current strength\u2014which allowed more cosmic rays to reach Earth\u2019s atmosphere.<\/p>\n<p>Scientists at the Technical University of Denmark and the German Research Centre for Geosciences used data from ESA\u2019s Swarm mission, along with other sources, to create a sounded visualisation of the Laschamp event. They mapped the movement of Earth\u2019s magnetic field lines during the event and created a stereo sound version which is what you can hear in the video.<\/p>\n<p>The soundscape was made using recordings of natural noises like wood creaking and rocks falling, blending them into familiar and strange, almost alien-like, sounds. The process of transforming the sounds with data is similar to composing music from a score.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Approximately 41 000 years ago, Earth\u2019s magnetic field briefly reversed during what is known as the Laschamp event. During this time, Earth\u2019s magnetic field weakened significantly\u2014dropping to a minimum of 5% of its current strength\u2014which allowed more cosmic rays to reach Earth\u2019s atmosphere. Scientists at the Technical University of Denmark and the German Research Centre [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[],"class_list":["post-197720","post","type-post","status-publish","format-standard","hentry","category-media-arts"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/197720","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=197720"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/197720\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=197720"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=197720"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=197720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}