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PODCAST

Science & Futurism with Isaac Arthur

Science & Futurism with Isaac Arthur explores humanity’s long-term future through space exploration, advanced technology, and big-picture science. Hosted by National Space Society President Isaac Arthur, each episode uses real science and careful speculation to examine space colonization, megastructures, artificial intelligence, post-scarcity economies, and the physics shaping civilization beyond Earth.

science

All Episodes

00:34:24

Could We Accidentally Destroy the Universe?

Science & Futurism with Isaac Arthur ·

2025/09/07

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.

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00:30:15

Orbital Arcologies: Mega-Cities in Space

Science & Futurism with Isaac Arthur ·

2025/09/04

From O’Neill cylinders to spiral habitats, discover how humanity might build colossal, interconnected cities high above Earth.

en

00:29:52

Orbital Arcologies: Mega-Cities in Space (Narration...

Science & Futurism with Isaac Arthur ·

2025/09/04

From O’Neill cylinders to spiral habitats, discover how humanity might build colossal, interconnected cities high above Earth.

en

00:39:03

The 10 Best Great Filters That Could Explain the...

Science & Futurism with Isaac Arthur ·

2025/09/02

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? We explore ten filters—cosmic, biological, and civilizational—that could silence civilizations before they spread.

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00:39:28

The 10 Best Great Filters That Could Explain the...

Science & Futurism with Isaac Arthur ·

2025/09/02

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? We explore ten filters—cosmic, biological, and civilizational—that could silence civilizations before they spread.

en

00:41:03

Jupiter Brains & Mega Minds

Science & Futurism with Isaac Arthur ·

2025/08/31

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?

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00:41:08

Jupiter Brains & Mega Minds (Narration Only)

Science & Futurism with Isaac Arthur ·

2025/08/31

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?

en

00:33:56

After the Singularity - What Life Would Be Like If A...

Science & Futurism with Isaac Arthur ·

2025/08/28

What happens after intelligence explodes beyond human comprehension? We explore a world shaped by superintelligence, where humanity may ascend, adapt — or disappear.

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00:33:34

After the Singularity - What Life Would Be Like If A...

Science & Futurism with Isaac Arthur ·

2025/08/28

What happens after intelligence explodes beyond human comprehension? We explore a world shaped by superintelligence, where humanity may ascend, adapt — or disappear.

en

00:23:10

Lunar Industrial Parks - The First Factories Beyond...

Science & Futurism with Isaac Arthur ·

2025/08/24

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.

en

00:30:00

Building a Dyson Swarm from Scratch (Narration Only)

Science & Futurism with Isaac Arthur ·

2025/08/21

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.

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00:23:26

Building a Dyson Swarm from Scratch

Science & Futurism with Isaac Arthur ·

2025/08/21

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.

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00:30:22

Ancient Alien Artifacts - Cosmic Relics Of A...

Science & Futurism with Isaac Arthur ·

2025/08/17

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 and the risks of unearthing them.

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00:29:58

Ancient Alien Artifacts - Cosmic Relics Of A...

Science & Futurism with Isaac Arthur ·

2025/08/17

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 and the risks of unearthing them.

en

00:27:40

Colonizing Rogue Planets (Narration Only)

Science & Futurism with Isaac Arthur ·

2025/08/14

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.

en

00:28:03

Colonizing Rogue Planets

Science & Futurism with Isaac Arthur ·

2025/08/14

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.

en

00:27:15

The Great Scientific Scams - From Snake Oil to Cold...

Science & Futurism with Isaac Arthur ·

2025/08/10

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.

en

00:29:15

The Fermi Paradox & The Hivemind Dilemma (Narration...

Science & Futurism with Isaac Arthur ·

2025/08/07

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.

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00:50:08

Galaxy-Scale Megastructures & Kardashev-3...

Science & Futurism with Isaac Arthur ·

2025/08/03

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.

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00:46:46

Epochs of the Universe - The Cosmic Clock &...

Science & Futurism with Isaac Arthur ·

2025/07/31

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 unimaginable spans of time.Watch my exclusive video Mass Drivers on the Moon: https://nebula.tv/videos/isaacarthur-mass-drivers-on-the-moon-enabling-a-lunar-economy Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula

en

1,171 results

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