The Fermi Paradox: Whispers In The Night (Narration Only)

Science & Futurism with Isaac Arthur

Isaac Arthur

Science, Futurism, Sci Fi, Future, Scifi, Technology, Space, Engineering

4.8 • 739 Ratings

🗓️ 19 March 2020

⏱️ 24 minutes

🔗️ Recording | iTunes | RSS

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Summary

We often speculate that the reason we can't hear aliens civilizations is because our SETI efforts (the Search for Extraterrestrial Intelligence) relies on radio and telescopes to weak to hear them. But how plausible is that? and what would it tell us about our own future? Watch the video version: https://youtu.be/T9BQFbZ6o8I Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ Visit our Website: http://www.isaacarthur.net Support us on Patreon: https://www.patreon.com/IsaacArthur SFIA Merchandise available: https://www.signil.com/sfia/ Social Media: 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 Credits: The Fermi Paradox:Whispers in the Night Episode 230; Mar 19, 2020 Writers: Isaac Arthur Editors: Jerry Guern Produced & Narrated by: Isaac Arthur 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/ Sergio Botero https://www.artstation.com/sboterod?fref=gc Music: Lombus, "Cosmic Soup" https://lombus.bandcamp.com Aerium, "Waters of Atlantis" & "Fifth Star of Aldebaran" https://www.youtube.com/channel/UCRnUJY3l5vIJFGsY3XvW4dQ Markus Junnikkala, "A Memory of Earth" https://www.markusjunnikkala.com/ See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcript

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0:00.0	Hello SFIA audio listeners. In this month's Nebula exclusive, big alien theory,
0:05.2	we're asked at the reason alien civilizations might be rare is because most aliens are huge.
0:10.5	To hear it and every episode early and ad-free, plus hours of bonus content,
0:15.1	check out go.nebola.tv slash Isaac Arthur and use my code, Isaac Arthur.
0:20.0	This episode is brought to you by Brilliant.
0:23.3	We often wonder why the galaxy isn't full of alien civilizations, but what if they are
0:28.7	out there whispering to us in the night, but we just can't hear them?
0:34.3	Our galaxy contains hundreds of billions of stars, many far older than our own, and the
0:39.8	galaxy itself is but one of billions.
0:42.8	Likely most of those stars have planets and at least a decent percent of them would probably
0:46.9	be big enough to hoard an atmosphere and located where their sun could keep liquid water
0:51.3	on their surface.
0:53.1	We don't know that life would need that, but even if it does, it should seem to imply
0:57.6	almost uncountable worlds that might harbor life.
1:01.6	This is the basic notion of the Fermi paradox, that we'd expect that even if the odds
1:05.7	of life were much worse than we thought, and even if it was fairly unlikely to develop
1:10.0	into complex and
1:10.9	intelligent life, there should just be tons of civilizations like ours out there.
1:16.0	But if there is, we're not hearing from them.
1:18.8	If that life is out there, where is it?
1:21.4	Why aren't the radio waves clogged with intergalactic radio?
1:25.8	Regular watchers of the show know this problem is probably far worse if we consider a capacity
	...

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