The Fermi Paradox: Searching For Dyson Spheres

Go to https://brilliant.org/IsaacArthur/ to get a 30-day free trial + the first 200 people will get 20% off their annual subscription.
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?

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