{"id":212561,"date":"2025-04-27T14:16:49","date_gmt":"2025-04-27T19:16:49","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/04\/galactic-beacons-alien-signals-across-space-and-time"},"modified":"2025-04-27T14:16:49","modified_gmt":"2025-04-27T19:16:49","slug":"galactic-beacons-alien-signals-across-space-and-time","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/04\/galactic-beacons-alien-signals-across-space-and-time","title":{"rendered":"Galactic Beacons: Alien Signals Across Space And Time"},"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\/XjSV8VASi9A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>It can be hard to hear a signal 100 miles away\u2014so what does it take to build a beacon loud enough to be heard 100,000 light years away? In this episode, we explore galactic beacons: powerful transmissions that may teach, warn, or outlast the minds that made them.<\/p>\n<p>Watch my exclusive video The End of Science <a href=\"https:\/\/nebula.tv\/videos\/isaacarthur-\">https:\/\/nebula.tv\/videos\/isaacarthur\u2013<\/a>\u2026 Nebula using my link for 40% off an annual subscription: <a href=\"https:\/\/go.nebula.tv\/isaacarthur\">https:\/\/go.nebula.tv\/isaacarthur<\/a> Get a Lifetime Membership to Nebula for only $300: <a href=\"https:\/\/go.nebula.tv\/lifetime?ref=isa\">https:\/\/go.nebula.tv\/lifetime?ref=isa<\/a>\u2026 Use the link gift.nebula.tv\/isaacarthur to give a year of Nebula to a friend for just $30. Visit our Website: <a href=\"http:\/\/www.isaacarthur.net\">http:\/\/www.isaacarthur.net<\/a> Join Nebula: <a href=\"https:\/\/go.nebula.tv\/isaacarthur\">https:\/\/go.nebula.tv\/isaacarthur<\/a> Support us on Patreon: <img alt=\"\" class=\"\"> \/ isaacarthur Support us on Subscribestar: <a href=\"https:\/\/www.subscribestar.com\/isaac-a\">https:\/\/www.subscribestar.com\/isaac-a<\/a>\u2026 Facebook Group: <img alt=\"\" class=\"\"> \/ 1,583,992,725,237,264 Reddit: <img alt=\"\" class=\"\"> \/ isaacarthur Twitter: <img alt=\"\" class=\"\"> \/ isaac_a_arthur on Twitter and RT our future content. SFIA Discord Server: <img alt=\"\" class=\"\"> \/ discord Credits: Galactic Beacons Episode 440b; April 1, 2024 Written, Produced &amp; Narrated by: Isaac Arthur Graphics: Darth Biomech, Jeremy Jozwik, Ken York YD Visual, Sergio Botero Select imagery\/video supplied by Getty Images Music Courtesy of Epidemic Sound <a href=\"http:\/\/epidemicsound.com\/creator\">http:\/\/epidemicsound.com\/creator<\/a>.<br \/> Get Nebula using my link for 40% off an annual subscription: <a href=\"https:\/\/go.nebula.tv\/isaacarthur\">https:\/\/go.nebula.tv\/isaacarthur<\/a>.<br \/> Get a Lifetime Membership to Nebula for only $300: <a href=\"https:\/\/go.nebula.tv\/lifetime?ref=isa\">https:\/\/go.nebula.tv\/lifetime?ref=isa<\/a>\u2026<br \/> Use the link gift.nebula.tv\/isaacarthur to give a year of Nebula to a friend for just $30.<\/p>\n<p>Visit our Website: <a href=\"http:\/\/www.isaacarthur.net\">http:\/\/www.isaacarthur.net<\/a>.<br \/> Join Nebula: <a href=\"https:\/\/go.nebula.tv\/isaacarthur\">https:\/\/go.nebula.tv\/isaacarthur<\/a>.<br \/> Support us on Patreon: \/ isaacarthur.<br \/> Support us on Subscribestar: <a href=\"https:\/\/www.subscribestar.com\/isaac-a\">https:\/\/www.subscribestar.com\/isaac-a<\/a>\u2026<br \/> Facebook Group: \/ 1583992725237264<br \/> Reddit: \/ isaacarthur.<br \/> Twitter: \/ isaac_a_arthur on Twitter and RT our future content.<br \/> SFIA Discord Server: \/ discord.<br \/> Credits:<br \/> Galactic Beacons.<br \/> Episode 440b; April 1, 2024<br \/> Written, Produced &amp; Narrated by: Isaac Arthur.<br \/> Graphics: Darth Biomech, Jeremy Jozwik, Ken York YD Visual, Sergio Botero.<br \/> Select imagery\/video supplied by Getty Images.<br \/> Music Courtesy of Epidemic Sound <a href=\"http:\/\/epidemicsound.com\/creator\">http:\/\/epidemicsound.com\/creator<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>It can be hard to hear a signal 100 miles away\u2014so what does it take to build a beacon loud enough to be heard 100,000 light years away? In this episode, we explore galactic beacons: powerful transmissions that may teach, warn, or outlast the minds that made them. Watch my exclusive video The End of [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,42],"tags":[],"class_list":["post-212561","post","type-post","status-publish","format-standard","hentry","category-futurism","category-media-arts"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/212561","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=212561"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/212561\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=212561"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=212561"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=212561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}