{"podcast":{"title":"Science & Futurism with Isaac Arthur","slug":"science-futurism-with-isaac-arthur-714313","podcast_index_feed_id":714313,"rss_url":"https://rss.art19.com/science-and-futurism","website_url":"https://art19.com/shows/science-and-futurism","image_url":"https://content.production.cdn.art19.com/images/48/0f/01/7e/480f017e-9153-49c2-bb16-f9a230202d1e/1cf6f04131212d8279d9889b3b48e8c4908df66b5c970381882212f8b03f2040e64de59eabe3965d764340e3e66b7c9d2028bb8bfa1d0181800843205da31286.jpeg","author":"Isaac Arthur","episode_count":1226,"summary":"Science & Futurism with Isaac Arthur explores humanity’s long-term future through space exploration, advanced technology, and big-picture science. Hosted by National Space Society President Isaac Arthur, each episode uses real science and careful speculation to examine space colonization, megastructures, artificial intelligence, post-scarcity economies, and the physics shaping civilization beyond Earth.","last_synced_at":"2026-07-12T12:18:55.946166+00:00","page_url":"https://stenobird.com/podcast/science-futurism-with-isaac-arthur-714313"},"episode":{"title":"SETI Explained - How We Search for Alien Civilizations (Narration Only)","slug":"seti-explained-how-we-search-for-alien-civilizations-narration-only","published_at":"2026-05-12T13:00:00+00:00","page_url":"https://stenobird.com/podcast/science-futurism-with-isaac-arthur-714313/seti-explained-how-we-search-for-alien-civilizations-narration-only","show_page_url":"https://stenobird.com/podcast/science-futurism-with-isaac-arthur-714313","url":"https://rss.art19.com/episodes/31cb57a0-b4c0-4d76-89a4-7e8387429d79.mp3?rss_browser=BAhJIg90cmFuc2NyaWJyBjoGRVQ%3D--952c5701c84ad333c69d5faa668f8177091704f0","audio_url":"https://rss.art19.com/episodes/31cb57a0-b4c0-4d76-89a4-7e8387429d79.mp3?rss_browser=BAhJIg90cmFuc2NyaWJyBjoGRVQ%3D--952c5701c84ad333c69d5faa668f8177091704f0","summary":"Explore SETI’s history and modern methods—from radio and laser searches to Dyson spheres and technosignatures—and how we might detect alien civilizations across the galaxy. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-age Check out Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?ref=isaacarthur 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/ 🌐 Visit our Website: http://www.isaacarthur.net ❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur ⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur 👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/ 📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/ 🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur 💬 SFIA Discord Server: https://discord.gg/53GAShE Credits: SETI Explained - How We Search for Alien Civilizations Written, Produced & Narrated by: Isaac Arthur Graphics from Ken York, Sergio Botero Select imagery/video supplied by Getty Images Chapters 0:00 Intro 0:50 Why SETI Is Harder Than It Sounds 2:50 The Birth of SETI 6:15 Why Radio SETI Made Sense—and Why It Didn’t Work 9:34 The Shift in Perspective 10:55 Laser SETI 13:52 Dysonian SETI 16:59 Signals, Artifacts, and Echoes 19:09 Recognition Is Harder Than Detection 21:30 Gods & Monsters 22:30 What SETI Looks Like Today 25:18 SETI as a Mirror, Not a Phone Call See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .","meta_description":"Explore SETI’s history and modern methods—from radio and laser searches to Dyson spheres and technosignatures—and how we might detect alien civilizations…","key_points":[],"chapters":[],"topics":[],"duration_seconds":1578,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/science-futurism-with-isaac-arthur-714313/episodes/seti-explained-how-we-search-for-alien-civilizations-narration-only/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/science-futurism-with-isaac-arthur-714313/seti-explained-how-we-search-for-alien-civilizations-narration-only.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}