{"id":235368,"date":"2026-04-16T18:13:47","date_gmt":"2026-04-16T23:13:47","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/04\/cosmic-strings-cracks-in-the-fabric-of-the-universe"},"modified":"2026-04-16T18:13:47","modified_gmt":"2026-04-16T23:13:47","slug":"cosmic-strings-cracks-in-the-fabric-of-the-universe","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/04\/cosmic-strings-cracks-in-the-fabric-of-the-universe","title":{"rendered":"Cosmic Strings \u2014 Cracks in the Fabric of the Universe"},"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\/ti5V64mTB7c?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Cosmic strings may be ultra-thin defects in spacetime\u2014relic \u201ccracks\u201d from the early universe. How we\u2019d detect them, what they mean for physics, and how aliens might exploit them.<\/p>\n<p>Get Nebula using my link for 50% off an annual subscription: <a href=\"https:\/\/go.nebula.tv\/isaacarthur\">https:\/\/go.nebula.tv\/isaacarthur<\/a>.<br \/> Watch my exclusive video Settling Saturn\u2019s Rings: <a href=\"https:\/\/nebula.tv\/videos\/isaacarthur-\">https:\/\/nebula.tv\/videos\/isaacarthur\u2013<\/a>\u2026 SFIA Merchandise: <a href=\"https:\/\/isaac-arthur-shop.fourthwall\">https:\/\/isaac-arthur-shop.fourthwall<\/a>\u2026 \ud83c\udf10 Visit our Website: <a href=\"http:\/\/www.isaacarthur.net\">http:\/\/www.isaacarthur.net<\/a> \u2764\ufe0f Support us on Patreon: <img alt=\"\" class=\"\"> \/ isaacarthur \u2b50 Support us on Subscribestar: <a href=\"https:\/\/www.subscribestar.com\/isaac-a\">https:\/\/www.subscribestar.com\/isaac-a<\/a>\u2026 \ud83d\udc65 Facebook Group: <img alt=\"\" class=\"\"> \/ 1,583,992,725,237,264 \ud83d\udce3 Reddit Community: <img alt=\"\" class=\"\"> \/ isaacarthur \ud83d\udc26 Follow on Twitter \/ X: <img alt=\"\" class=\"\"> \/ isaac_a_arthur \ud83d\udcac SFIA Discord Server: <img alt=\"\" class=\"\"> \/ discord Credits: Cosmic Strings \u2013 Cracks in the Fabric of the Universe Written, Produced &amp; Narrated by: Isaac Arthur Select imagery\/video supplied by Getty Images Chapters 0:00 Intro \u2014 Cracks in the Fabric of the Universe 6:11 From Defects to Cosmic Strings 13:31 Civilizations and Cosmic Strings: Tools, Traps, and Temptations 19:43 Nebula 20:39 Cousins, Confusions, and What a Discovery Would Mean.<\/p>\n<p>\ud83d\uded2 SFIA Merchandise: <a href=\"https:\/\/isaac-arthur-shop.fourthwall\">https:\/\/isaac-arthur-shop.fourthwall<\/a>\u2026<br \/> \ud83c\udf10 Visit our Website: <a href=\"http:\/\/www.isaacarthur.net\">http:\/\/www.isaacarthur.net<\/a>.<br \/> \u2764\ufe0f Support us on Patreon: \/ isaacarthur.<br \/> \u2b50 Support us on Subscribestar: <a href=\"https:\/\/www.subscribestar.com\/isaac-a\">https:\/\/www.subscribestar.com\/isaac-a<\/a>\u2026<br \/> \ud83d\udc65 Facebook Group: \/ 1583992725237264<br \/> \ud83d\udce3 Reddit Community: \/ isaacarthur.<br \/> \ud83d\udc26 Follow on Twitter \/ X: \/ isaac_a_arthur.<br \/> \ud83d\udcac SFIA Discord Server: \/ discord.<br \/> Credits:<br \/> Cosmic Strings \u2013 Cracks in the Fabric of the Universe.<br \/> Written, Produced &amp; Narrated by: Isaac Arthur.<br \/> Select imagery\/video supplied by Getty Images.<\/p>\n<p>Chapters.<br \/> 0:00 Intro \u2014 Cracks in the Fabric of the Universe.<br \/> 6:11 From Defects to Cosmic Strings.<br \/> 13:31 Civilizations and Cosmic Strings: Tools, Traps, and Temptations.<br \/> 19:43 Nebula.<br \/> 20:39 Cousins, Confusions, and What a Discovery Would Mean.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cosmic strings may be ultra-thin defects in spacetime\u2014relic \u201ccracks\u201d from the early universe. How we\u2019d detect them, what they mean for physics, and how aliens might exploit them. Get Nebula using my link for 50% off an annual subscription: https:\/\/go.nebula.tv\/isaacarthur. Watch my exclusive video Settling Saturn\u2019s Rings: https:\/\/nebula.tv\/videos\/isaacarthur\u2013\u2026 SFIA Merchandise: https:\/\/isaac-arthur-shop.fourthwall\u2026 \ud83c\udf10 Visit our Website: [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1527,219],"tags":[],"class_list":["post-235368","post","type-post","status-publish","format-standard","hentry","category-alien-life","category-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/235368","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\/661"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=235368"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/235368\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=235368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=235368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=235368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}