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@isaac-arthur.bsky.social

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isaac-arthur.bsky.social @isaac-arthur.bsky.social · 3d

Solar Flares & Coronal Mass Ejections - Defending Earth from Our Own Star
youtu.be/hWCp4iPkiqU
Solar storms are inevitable; disaster isn’t. Explore the physics of flares and CMEs, historical extremes, and realistic defenses—detection, delay & planet-scale shielding to weather the Sun’s worst days.

Solar Flares & Coronal Mass Ejections - Defending Earth from Our Own Star

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · 6d

After Mars - 8 Candidates For Where Humanity Should Go Next
youtu.be/dJG1iTgUuG8
Mars may be humanity’s next great home—but it’s not the finish line. From floating cities above Venus to mining Mercury and the Belt, we explore what might follow Mars and how each could shape our future in space.

After Mars - 8 Candidates For Where Humanity Should Go Next

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · 8d

New Dwarf Planet Discovered... A Minor Planet With a Major Future?
youtu.be/GboWwqzAHEo
The discovery of 2017 OF201 reminds us that even small worlds can hold vast potential — not just as frozen orbs, but as stepping stones for interstellar civilization.

New Dwarf Planet Discovered... A Minor Planet With a Major Future?

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · 10d

Exploring The Multiverse: Infinite Realities, One Grand Mystery
youtu.be/wb3jGT6vob4
The universe is beyond immense, and yet it might be nothing more than a tiny dot beside the rest of reality.

Exploring The Multiverse: Infinite Realities, One Grand Mystery

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · 13d

Orbital Foundries & Zero G Manufacturing - Building in Space
youtu.be/-b71w0eTuck
Gravity has always shackled industry, but orbit frees us to build in ways Earth never allowed. This episode explores the rise of orbital foundries and the industries they unlock.

Orbital Foundries & Zero G Manufacturing - Building in Space

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · 15d

Is 3I/ATLAS an Alien Artifact?
youtu.be/mwlTlw3rV5I
3I/ATLAS is only the third interstellar object we’ve ever seen — but could it really be an alien artifact, or just another comet with unusual traits?

Is 3I/ATLAS an Alien Artifact?

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · 18d

Life in Methane Oceans: Could Aliens Evolve on Titan-like Worlds?
youtu.be/IJQoFXO5YcU
Could life thrive in seas of methane instead of water? We explore Titan-like worlds and the alien ecosystems they might harbor.

Life in Methane Oceans: Could Aliens Evolve on Titan-like Worlds?

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · 20d

Space Habitat Clusters & Conglomerations
youtu.be/jEWRL-6BR0A
Space isn’t just for lonely colonies—it’s for communities. Join us as we imagine constellations of space habitats bound by tethers, trade, and trust, building not just homes in the stars but entire civilizations.

Space Habitat Clusters & Conglomerations

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · 22d

Life on Mars? Perseverance’s Sapphire Canyon Discovery
youtu.be/_o9-YFkK88s
NASA’s Perseverance rover may have found the best hint yet of Martian life — strange minerals in Jezero Crater that could be microbial fingerprints… or just clever geology.

Life on Mars? Perseverance’s Sapphire Canyon Discovery

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · 24d

Feudal Futures: Knights & Nobles in the Space Age
youtu.be/SUQKDnGk5kg
Feudalism once ruled Earth—could it rule the cosmos too? We dive into the strange but plausible world of space nobles, orbital dukes, and knights of the vacuum clad in power armor or piloting mecha.

isaac-arthur.bsky.social @isaac-arthur.bsky.social · 27d

Colonial Economies: How Do You Make Money on a New Planet?
youtu.be/tcBuoy0kM9k
You’ve made it to a new world—but how do you make a living when Earth is light-years away? We chart how colonies bootstrap markets, money, and meaning—from scrip and rationing to trade networks and post-scarcity systems

Colonial Economies - How Do You Make Money on a New Planet?

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Sep 7

Could We Accidentally Destroy the Universe?
youtu.be/XTejtpPbat4
What if the end of everything came not from cosmic fate, but from us? This episode examines the physics, probability, and peril of experiments that could, in theory, unravel the universe.

Could We Accidentally Destroy the Universe?

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Sep 4

Orbital Arcologies: Mega-Cities in Space
youtu.be/fKVFQnm8ITk
From O’Neill cylinders to spiral habitats, discover how humanity might build colossal, interconnected cities high above Earth.

Orbital Arcologies: Mega-Cities in Space

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Sep 2

The 10 Best Great Filters That Could Explain the Fermi Paradox
youtu.be/wFmz42DcRE0
From abiogenesis to AI, we rank the top Great Filter candidates and test them against the data to see which best explains the Fermi Paradox. Is the universe empty, or just dangerous?

The 10 Best Great Filters That Could Explain the Fermi Paradox

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Aug 31

Jupiter Brains & Mega Minds
youtu.be/kvKOTvB3oJg
We often contemplate superintelligent entities, and advances in AI and human mind augmentation may soon bring them about. But how big could they get? What would they think about? And might you, or I, one day become one ourselves?

Jupiter Brains & Mega Minds

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Aug 28

After the Singularity - What Life Would Be Like If A Technological Singularity Happen?
youtu.be/NLQj4swCqnU
What happens after intelligence explodes beyond human comprehension? We explore a world shaped by superintelligence, where humanity may ascend, adapt — or disappear.

After the Singularity - What Life Would Be Like If A Technological Singularity Happen?

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Aug 24

Lunar Industrial Parks - The First Factories Beyond Earth
youtu.be/Yw6uEK5zay0
Before we build cities among the stars, we’ll need factories on the Moon. Discover how lunar industry could kickstart a space-based economy and reshape the future of humanity.

Lunar Industrial Parks - The First Factories Beyond Earth

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Aug 21

Building a Dyson Swarm from Scratch
youtu.be/I48CRdVn_CA
What does it take to turn the Sun into a power grid? Discover the step-by-step path from asteroid mining to a star-spanning megastructure.

Building a Dyson Swarm from Scratch

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Aug 17

Ancient Alien Artifacts - Cosmic Relics Of A Dangerous Past
youtu.be/wWVgtmqgznY
The silence of the stars might be hiding more than an absence of life — it might conceal ancient machines, monuments, and traps from civilizations long vanished. Today, we explore these eerie cosmic echoes

Ancient Alien Artifacts - Cosmic Relics Of A Dangerous Past

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Aug 14

Colonizing Rogue Planets
youtu.be/rU7h53_Dfro
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.

Colonizing Rogue Planets

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Aug 10

The Great Scientific Scams - From Snake Oil to Cold Fusion
youtu.be/iPSOg7SZDBw
What do snake oil, N-rays, and cold fusion have in common? They’re all cautionary tales reminding us why skepticism is essential to science—and to our future.

The Great Scientific Scams - From Snake Oil to Cold Fusion

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Aug 7

The Fermi Paradox & The Hivemind Dilemma
youtu.be/uVxpbdiOa-4
Are we alone, or just looking for the wrong kind of aliens? Discover how the path to hive minds and distributed consciousness might answer the Fermi Paradox — and pose new dilemmas of their own.

The Fermi Paradox & The Hivemind Dilemma

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Aug 3

Galaxy Scale Megastructures & Kardashev 3 Civilizations
youtu.be/MJQxbnf7vgk
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.

Galaxy Scale Megastructures & Kardashev 3 Civilizations

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Jul 31

Epochs of the Universe - The Cosmic Clock & Civilization
youtu.be/SjNjT007TNI
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.

Epochs of the Universe - The Cosmic Clock & Civilization

YouTube video by Isaac Arthur

isaac-arthur.bsky.social @isaac-arthur.bsky.social · Jul 29

The 10 Best Alien Invasion Strategies
youtu.be/eD0WDRU5da8
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.

The 10 Best Alien Invasion Strategies

YouTube video by Isaac Arthur