The Search for Extra-Terrestrial Intelligence, SETI, relies on looking for signals from distant alien worlds where even very powerful signals can weaken to near nothing. We'll explore today how we, or extraterrestrials, might get around this problem, be it by immense star-powered transmitters or by using laser communication beams.

Part 2 on The Exoplanets Channel: https://youtu.be/04AIXj78nJ0

Part 3 with Parallax Nick: https://www.youtube.com/watch?v=iim--dKNUIk

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Credits:

Talkative Aliens

Science & Futurism with Isaac Arthur

Episode 249, July 30, 2020

Written, Produced, and Narrated by Isaac Arthur

Editors:

Jerry Guern

Keith Blockus

Cover Art:

Jakub Grygier https://www.artstation.com/jakub_grygier

Graphics:

Jeremy Jozwik https://www.artstation.com/zeuxis_of_losdiajana

Ken York https://www.facebook.com/YDVisual/

Mihail Yordanov

Sergio Botero https://www.artstation.com/sboterod?fref=gc

Music:

Martin Rezny, "Lifelight" https://soundcloud.com/martin-re-n-1

Aerium, "Waters of Atlantis" https://www.youtube.com/channel/UCRnUJY3l5vIJFGsY3XvW4dQ

AJ Prasad of Dark Future, "Cold Shadow" https://www.youtube.com/watch?v=xA8-7qwaEPU

Paradox Interactive, "Distant Nebula" https://www.paradoxplaza.com

Lombus, "Goldilocks Analemma" https://lombus.bandcamp.com

Ross Bugden, "City Lights" https://www.youtube.com/channel/UCQKGLOK2FqmVgVwYferltKQ

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