Hydropower has long been one of the world's most reliable sources of renewable energy, but how will it adapt to the challenges of the 21st century? In this episode, we explore the cutting-edge innovations shaping the future of hydroelectric power—from modular micro-hydro systems and improved pumped storage to tidal, wave, and even deep sea hydroelectric solutions.

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Credits:

The Future of Hydroelectric Power

Episode 493; April 3, 2025

Written, Produced & Narrated by: Isaac Arthur 

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"

Stellardrone, "Red Giant", "Billions and Billions"

The Future of Hydroelectric Power

Biden is Back but still Not Really There

Three professors say they're leaving America...let's hope the actually do it.

There Is No Lie Democrats Won't Tell

From carbon nanotubes to multi-layered graphene, we explore the revolutionary materials that could turn space elevators from sci-fi dreams into real-world infrastructure. Discover how these supermaterials might let us weave ribbons to the stars.

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Credits:
Materials For Space Elevators - From Carbon Nanotubes To Graphene And Beyond...
Episode 741; July 24, 2025
Written, Produced & Narrated by: Isaac Arthur
Edited by:
Adrian Nixon
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"
Aerium, "Deijocht"
Stellardrone, "Red Giant", "Billions and Billions"

Materials For Space Elevators - From Carbon Nanotubes To Graphene And Beyond...

Rogue planets wander the cosmos without stars, but could we still call them home? This episode dives into how humanity might transform these frozen giants into thriving outposts of civilization.

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Credits:
Colonizing Rogue Planets
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Colonizing Rogue Planets (Narration Only)

Could the origins of life on Earth trace back to a natural nuclear reactor? Long before humanity split the atom, nature itself may have done it first. In this episode, we explore the astonishing possibility that self-sustaining fission reactions—like the Oklo natural reactor in Gabon—once powered the chemical engines of creation. From radioactive geysers and mineral-rich pools to the first self-replicating molecules, we’ll examine how nuclear energy might have provided the spark that turned chemistry into biology. Along the way, we’ll connect this mystery to the Fermi Paradox, asking whether such rare, radioactive beginnings might explain why intelligent life seems so scarce in the universe. Join us for a journey that blends cosmic mystery, geochemistry, and the science of life’s origins.


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Credits:
The Fermi Paradox - Did a Natural Nuclear Reactor Spark All Life?
Written by Isaac Arthur & Philip Kramer, PhD
Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Chapters
0:00 Intro
3:39 The Fermi Paradox and the Great Filter
6:41 The Rare Earth Hypothesis & LUCA
11:42 Natural Nuclear Reactors – Earth’s First Fission Furnace
16:00 The Nuclear Geyser Hypothesis
21:27 Nebula
23:02 Implications for Alien Life
29:39 Fictional Exploration


The Fermi Paradox - Did a Natural Nuclear Reactor Spark All Life?

From Asimov’s Foundation to Warhammer 40K and Twilight Imperium, science fiction is filled with collapsing empires. But could civilizational decline really explain why the Universe seems so empty?

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Credits:
Twilight Imperium - When Galactic Civilizations Ebb
Written, Produced & Narrated by: Isaac Arthur
Editor: Lukas Konecny
Select imagery/video supplied by Getty Images 
Music Courtesy of Stellardrone and Epidemic Sound http://epidemicsound.com/creator

Twilight Imperium - When Galactic Civilizations Ebb (Narration Only)

From nuclear nightmares to reality-breaking weapons, we examine how science and fiction imagine the end of everything. What happens when weapons don’t just destroy worlds but unmake reality itself? Explore the science of apocalypse.

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Credits:
Doomsday Devices & Ontological Weaponry 
Written, Produced & Narrated by: Isaac Arthur
Editor: Lukas Konecny
Select imagery/video supplied by Getty Images 
Music by Epidemic Sound: http://nebula.tv/epidemic & Stellardrone

Doomsday Devices & Ontological Weaponry (Narration Only)

Mars calls to us as the next world to conquer—but should we go yet? Explore the case for and against colonizing the Red Planet, from science to strategy to survival.

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Credits:
Why We Should Go To Mars... And Why We Shouldn't
Written, Produced & Narrated by: Isaac Arthur
Editor: Keith Oxenrider
Graphics: Jeremy Jozwik
Select imagery/video supplied by Getty Images 
Music by Epidemic Sound: http://nebula.tv/epidemic & Stellardrone

Why We Should Go To Mars... And Why We Shouldn't

One of the biggest reasons for colonizing other worlds is to ensure we don't die with our own sun, but even those alien suns we might travel to will die one day. And yet, our image of stars living than erupting spectacular as a red giant or supernova, present a somewhat false impression, as those stellar remnants often last far longer than the stars which bore them. Could civilizations survive around these dead stars? Could they even outlast the End of the Universe, as the last stars fade away?

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Credits:
Civilizations at the End of Time: Dying Stars
Episode 178, Season 5 E12

Written by:
Isaac Arthur

Editors:
Andrew Norman
Darius Said
Evan Schultheis
Keith Blockus
Konstantin Sokerin
Matthew Acker
Stuart Graham https://beyondnerva.wordpress.com

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

Graphics by:
Fishy Tree https://www.deviantart.com/fishytree/
Jarred Eagley
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

Produced & Narrated by:
Isaac Arthur

Music:
Markus Junnikkala, "Always Tell Me the Odds" https://www.markusjunnikkala.com/
Lombus, "Hydrogen Sonata" https://lombus.bandcamp.com
A.J. Prasad of Dark Future, "Staring Through, pt1" https://www.youtube.com/watch?v=xA8-7qwaEPU
Aerium, "Fifth Star of Aldebaran" https://www.youtube.com/channel/UCRnUJY3l5vIJFGsY3XvW4dQ
A.J. Prasad of Dark Future, "Cold Shadow" https://www.youtube.com/watch?v=xA8-7qwaEPU
Phase Shift, "Forest Night" https://www.last.fm/music/Phase+Shift/_/Enigmatic

Dying Stars

Swallow15 Music School Guitar Syllabus Rhymes 0