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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

00:23:26

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.

en

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.

en

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

00:28:03

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

00:27:40

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

00:27:15

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.

en

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.

en

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

00:22:33

The 10 Best Alien Invasion Strategies (Narration Only)

Science & Futurism with Isaac Arthur ·

2025/07/29

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.

en

00:23:03

The 10 Best Alien Invasion Strategies

Science & Futurism with Isaac Arthur ·

2025/07/29

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.

en

00:33:49

Vaults of Eternity - Planetary Archives & Stasis

Science & Futurism with Isaac Arthur ·

2025/07/27

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.

en

00:33:31

Vaults of Eternity - Planetary Archives & Stasis...

Science & Futurism with Isaac Arthur ·

2025/07/27

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.

en

00:28:59

Materials For Space Elevators - From Carbon Nanotubes...

Science & Futurism with Isaac Arthur ·

2025/07/24

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.

en

00:27:03

Materials For Space Elevators - From Carbon Nanotubes...

Science & Futurism with Isaac Arthur ·

2025/07/24

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.

en

00:28:02

Before the Big Bang - What Came Before Time?

Science & Futurism with Isaac Arthur ·

2025/07/20

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.

en

00:27:42

Before the Big Bang - What Came Before Time?...

Science & Futurism with Isaac Arthur ·

2025/07/20

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.

en

00:40:26

The Ethics of Transhumanism (Narration Only)

Science & Futurism with Isaac Arthur ·

2025/07/17

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.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 for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur Use

en

00:40:43

The Ethics of Transhumanism

Science & Futurism with Isaac Arthur ·

2025/07/17

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. 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 for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur Use

en

00:29:45

How Would Aliens Behave? (Narration Only)

Science & Futurism with Isaac Arthur ·

2025/07/13

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.

en

1,100 results

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