@isaac-arthur.bsky.social
Galaxy Scale Megastructures & Kardashev 3 Civilizations
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Imagine engineering projects so vast they mold galaxies into new shapes. We’ll explore the staggering feats of Kardashev-3 and beyond civilizations, crafting CARD galaxies, Birch Planets, and even rearranging superclusters.
Epochs of the Universe - The Cosmic Clock & Civilization
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Explore the entire life story of the cosmos, from quantum flickers at the Big Bang to the distant eras of black holes and dark energy, and discover what kinds of civilizations might endure across these vast spans of time.
The 10 Best Alien Invasion Strategies
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Aliens don’t always attack with lasers—sometimes, the smartest invasions begin with a gift, a whisper, or a smile. Join us as we count down ten invasion strategies that actually make sense.
Vaults of Eternity - Planetary Archives & Stasis Fields
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From metal scrolls buried under alien skies to frozen vaults holding minds or monarchs for millennia, we examine how advanced civilizations might safeguard their legacy against the slow grinding of eternity.
Materials For Space Elevators - From Carbon Nanotubes To Graphene And Beyond...
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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.
Before the Big Bang - What Came Before Time?
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Join us as we journey beyond the birth of the universe to unravel the mysteries of what might have preceded the Big Bang—and whether time itself had a beginning.
The Ethics of Transhumanism - Dreaming of More, Without Losing What We Are
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Transhumanism promises a better humanity—or perhaps something no longer human at all. Join us as we explore the moral dilemmas and future paths of human augmentation.
How Alien Would Aliens Behave?
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Forget tentacles—what matters is the mind. We explore how alien behavior might emerge from evolution, culture, and technology, and why our biggest first contact risk may be misunderstanding.
Spaceport Innovations - Designing the Next Generation of Launch Sites
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This episode explores how spaceports will evolve in design, technology, and purpose—shifting from fuel-thirsty towers to seamless transport hubs for Earth, Moon, Mars, and beyond.
What If the Big Bang Never Happened?
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The Big Bang is the reigning explanation for our universe’s origin—but what if it’s wrong? This episode dives into cosmic controversies and the theories that challenge everything we thought we knew.
The Economics of a Post Scarcity Universe - What Happens When Everything Is Free?
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If everything is free, what’s still worth striving for? From replicators to reputation, we examine the surprising economics of a post-scarcity world.
The 10 Worst Alien Invasion Strategies
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From Martians undone by germs to predators who insist on sporting duels, we explore the most ridiculous alien invasion tactics in fiction, and what they reveal about strategy, science, and human resilience.
ISRU: In-Situ Resource Utilization - From Regolith to Rocket Fuel
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In-situ resource utilization (ISRU) is the key to building lasting colonies in space—by turning local materials into shelter, fuel, and even food. Can we thrive beyond Earth by living off the land on other worlds?
Cosmic Megafauna - Could Giant Alien Life Forms Exist?
youtu.be/ac9BTSNL7fA
Space is big—but could life out there be even bigger? Join us as we ask just how enormous alien life can get—and what it might look like.
How Colonizing Space Benefits Earth - The Ground Level Gains of a Galactic Future
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Space colonization isn't about abandoning Earth—it's about transforming it. Discover how expanding into space can drive innovation, sustainability, and prosperity right here on the ground.
Space Elevator Economics: Building And Operating A Superhighway To Space
youtu.be/WStjr5daYsY
Explore the real economics of building and operating a space elevator—from ship-launched ribbons to megaton climbers—and how this infrastructure could change the world.
How Hard Would It Be to Terraform Venus?
youtu.be/dAkDzNUz7Bw
Everyone talks about terraforming Mars, but Venus might be the real prize. Discover the surprising ways we could cool, reshape, and colonize this hostile world.
The Terraforming Compendium - From Barren Rocks to Living Worlds
youtu.be/PRzfQofJZRk
Could we sculpt dead planets into living worlds? From artificial crusts and orbital mirrors to taming tectonics and engineering biospheres, this is your definitive guide to turning alien rocks into second Earths.
Interstellar Travel - Can We Survive The Long?
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Interstellar travel may one day take us to the stars, but surviving the journey could be the greatest challenge humanity has ever faced. In this episode, we explore the physical, psychological, and societal trials of a voyage
Could We See a Second Big Bang?
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From quantum tunneling to cosmic inflation, we journey through the theories behind the Big Bang and beyond — and ask the big question: could another Big Bang be in our cosmic future?
How Many Alien Civilizations Are There?
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Are we alone in the universe—or just early to the party? We’ll explore the math, models, and megastructures that might answer how many alien civilizations are out there, and why the night sky remains so quiet.
Building Fleets in Space
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A new industrial revolution is coming—not on Earth, but above it. This episode delves into how orbital shipyards will produce everything from shuttles to megastructures, changing how we explore and inhabit space.
5 Fermi Paradox Explanations I Love, 7 That Fall Flat
Surprise!
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The Fermi Paradox asks why, in a vast and ancient universe, we see no signs of alien life. Explore five explanations that make sense—and 7 popular ones that, despite sounding good, fall flat under closer scrutiny.
Stormtroopers: Elite Warriors and the Evolution of Future Combat
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From trench-busting stormtroopers to galaxy-spanning clone legions, we explore the evolution of elite soldiers and how sci-fi reimagines the future of warfare.
Ancient Machine Monitors: Alien Watchdogs, AI Custodians, and the Fermi Paradox
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From Clarke’s Sentinel to deep-space defense systems, this episode dives into the idea of machine monitors—guardians of planets, civilizations, and secrets too ancient to name.
Life in 2525 A.D.
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In the year 2525, humans, post-humans, and new species navigate a vast and vibrant future. Join us as we explore the lives, dreams, and struggles of a trillion-strong civilization.
Worldhouses & Paraterraforming: Building Planets, One Dome at a Time
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In this episode, we explore the concept of Worldhouses—planet-spanning domes that let us colonize hostile worlds by enclosing them beneath engineered skies, one dome at a time.
Post-Biological Civilizations: Life Beyond Flesh and Bone
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What happens when intelligence escapes the bounds of flesh and bone? In this episode, we explore post-biological civilizations—entities that may trade biology for digital minds, machine bodies, or stranger forms still.
Cities of the Future – Megacities, Arcologies, and Floating Utopias
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In tomorrow’s world, cities may rise into the clouds, dive beneath oceans, or float among the stars—join us as we journey through these radical urban frontiers.
The Alien Cold War: Silent Competition Among Dormant Empires In A Dark Galaxy
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What if the galaxy isn’t empty—but locked in a silent Cold War between ancient alien empires? This episode explores what it means if our galaxy is shaped by dormant, watchful civilizations.
