Imagine a world stretched along a single, endless river inside a colossal space megastructure. Explore the fascinating concept of the Topopolis, a futuristic habitat billions of miles long, where humanity might thrive in a sprawling civilization bound by physics, engineering, and imagination.

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Credits:
Topopolis: The Eternal River 
Episode 487a; February 23, 2025
Written, Produced & Narrated by: Isaac Arthur
Graphics: Apogii.uk, Ken York YD Visual, Steve Bowers, Udo Scroeter
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Topopolis: The Eternal River Space Habitat

Gravity Tech: The Power To  Reshape Our Civilization... And The Cosmos Themselves (Narration Only)

End Scene time stamps: 11:25, 50;29, 1:00:25, 1:06:03. The Lucius POV is narrated by Owen who can be found at https://archiveofourown.org/users/fake_geek_boy

10 Wanna Fly Away (I Dont Know Where My Soul Is)

Discover the groundbreaking physics behind skyhooks, rotovators, and space ladders, and how they could revolutionize space travel in the near future.

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Credits:
Skyhooks, Rotovators & Space Ladders
Episode 488b; March 2, 2025
Written, Produced & Narrated by: Isaac Arthur
Graphics: Jarred Eagley, Katie Byrne, Phil Swan, Sergio Botero
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Phase Shift, "Forest Night"
Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector", "Oxygen Garden", "Wonder Cycle"
Stellardrone, "Red Giant", "Billions and Billions"

Skyhooks, Rotovators & Space Ladders: Lifting Humanity To The Stars Without Rockets

If civilizations can endure for eons and people can live indefinitely, what drives progress, ambition, and purpose in a world where time has no limit? Would an ageless society be a utopia of infinite wisdom, or a stagnating empire struggling to keep ambition alive across the centuries?

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Credits:
Methuselah Civilizations: A Society of the Ageless 
Episode 489; March 6, 2025
Written, Produced & Narrated by: Isaac Arthur
Edited by: Ludwig Luska
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector", "Oxygen Garden", "Wonder Cycle"
Stellardrone, "Red Giant", "Billions and Billions"

Methuselah Civilizations (Narration Only)

Buzz Aldrin’s legacy extends far beyond his historic steps on the Moon. As a visionary engineer and space advocate, he pioneered the concept of the Aldrin Cycler, a revolutionary spacecraft trajectory that could enable safe, efficient, and cost-effective missions to Mars and beyond. In this episode, we explore how cycler spacecraft function, their potential to transform interplanetary travel, and why they remain a compelling solution for future space exploration. Join us as we celebrate the contributions of one of spaceflight’s greatest pioneers and examine the technology that could one day carry humanity to the Red Planet and beyond.

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Credits:
Buzz Aldrin's Cyclers  - A Safe Spaceship To Mars And Beyond
Episode 489a; March 10, 2025
Written, Produced & Narrated by: Isaac Arthur
Edited by: Rod Pyle
Select imagery/video supplied by Getty Images

Buzz Aldrin's Cyclers - A Safe Spaceship To Mars And Beyond

Kazanie księdza Piotra Celejewskiego w Świątyni Opatrzności Bożej.
Wesprzyj NAGRANIA KAZAŃ duszpasterzy posługujących w Sanktuarium Opatrzności Bożej
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Dołącz do „RÓŻAŃCA ŚWIĘTYCH – NIE JESTEŚ SAM” - 25 753 37 41 https://www.centrumopatrznosci.pl/rozaniec_yt/

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Ważne jest to, jak widzi nas Ojciec a nie świat - ks. Piotr Celejewski, 4.04.2025

Jezus może nas przeprowadzić przez każdą ciemność naszego życia – ks. Piotr Celejewski, 13.04.2025

https://archiveofourown.org/works/43584778/chapters/109635132

2 Feather Grey

under lock and key by zstraps

fic: https://archiveofourown.org/works/60704857

under lock and key by zstraps

https://archiveofourown.org/works/64874233/chapters/167229046