The Fermi Paradox: Searching For Dyson Spheres

Many believe civilizations which survive the challenges of technology will inevitability build Dyson Spheres encompassing their entire sun. So how do we find these megastructures if they exist? Go to https://brilliant.org/IsaacArthur/ to get a 30-day free trial + the first 200 people will get 20% off their annual subscription. Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur 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: https://www.reddit.com/r/IsaacArthur/ Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content. SFIA Discord Server: https://discord.gg/53GAShE ▬ Dyson Sphere Search Chapters ▬▬▬▬▬▬▬▬▬▬ 0:00 Intro 02:11 What is a Dyson Sphere? 08:00 Can we see a Dyson Sphere? 15:19 (TEA) Time Elapse Argument 19:35 Couldn’t such a powerful civilization hide their Dyson Sphere from us? 24:44 Wouldn’t a better power supply than fusion eliminate the need for a Dyson Sphere? 30:41 Where should we be hunting for Dyson Spheres, or groups of them? 34:05 What about all those Voids, Dark Matter, and stuff like that? Couldn’t those be Dyson Spheres? Listen or Download the audio of this episode from Soundcloud: Episode's Audio-only version: https://soundcloud.com/isaac-arthur-148927746/the-fermi-paradox-searching-for-dyson-spheres Episode's Narration-only version: https://soundcloud.com/isaac-arthur-148927746/the-fermi-paradox-searching-for-dyson-spheres-narration-only Credits: The Fermi Paradox: Searching For Dyson Spheres Science & Futurism with Isaac Arthur Episode 393, May 4, 2023 Written, Produced & Narrated by Isaac Arthur Editors: Donagh Broderick Konstantin Sokerin David McFarlane Graphics by: Jeremy Jozwik Ken York Sergio Botero Udo Schroeter Music Courtesy of Epidemic Sound http://epidemicsound.com/creator