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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

00:31:43

The First Generation Problem – Who Shapes a New...

Science & Futurism with Isaac Arthur ·

2026/08/20

What happens when a colony ship’s children inherit a mission they never chose? We explore the values, conflicts, and founding myths that shape civilizations born between Earth and the stars.

en

00:38:10

The First Generation Problem – Who Shapes a New...

Science & Futurism with Isaac Arthur ·

2026/08/20

What happens when a colony ship’s children inherit a mission they never chose? We explore the values, conflicts, and founding myths that shape civilizations born between Earth and the stars.

en

04:34:29

Space Habitats: The Strangest Worlds We Could Build...

Science & Futurism with Isaac Arthur ·

2026/08/15

What if planets were only the beginning? Journey through cube worlds, Ringworlds, cloud cities, hollow planets, artificial suns, and the strangest habitats known physics might let us build.

en

04:29:07

Space Habitats: The Strangest Worlds We Could Build

Science & Futurism with Isaac Arthur ·

2026/08/15

Build a world small enough to circle in a day—or vast enough to house a galaxy. This grand tour explores the strangest space habitats possible under known physics.

en

00:34:34

Life in a Relativistic Starship

Science & Futurism with Isaac Arthur ·

2026/08/13

Aboard a relativistic starship, time is cargo: gamma-10 cruise, decades slipping by outside, lethal dust grains, beam routes, antimatter, ramjets, and the strange culture of crews who trade history for the stars.

en

00:34:12

Life in a Relativistic Starship (Narration Only)

Science & Futurism with Isaac Arthur ·

2026/08/13

Aboard a relativistic starship, time is cargo: gamma-10 cruise, decades slipping by outside, lethal dust grains, beam routes, antimatter, ramjets, and the strange culture of crews who trade history for the stars.

en

00:40:24

Are We Living in a Simulation? A Modern Look at the...

Science & Futurism with Isaac Arthur ·

2026/08/09

If reality is a simulation, what would that actually mean—and would it matter? We revisit the Simulation Argument, AI-created worlds, digital minds, ethics, and the Fermi Paradox.

en

00:40:47

Are We Living in a Simulation? A Modern Look at the...

Science & Futurism with Isaac Arthur ·

2026/08/09

If reality is a simulation, what would that actually mean—and would it matter? We revisit the Simulation Argument, AI-created worlds, digital minds, ethics, and the Fermi Paradox.

en

00:33:02

The First Martian Cities: Planning Habitats...

Science & Futurism with Isaac Arthur ·

2026/08/06

How does a Mars base become a real city? We explore the fragile leap from mission outpost to permanent home, where life support, local businesses, families, and improvisation shape the first Martian settlements.

en

00:33:22

The First Martian Cities: Planning Habitats

Science & Futurism with Isaac Arthur ·

2026/08/06

How does a Mars base become a real city? We explore the fragile leap from mission outpost to permanent home, where life support, local businesses, families, and improvisation shape the first Martian settlements.

en

00:33:59

Fluorine Lifeforms – Creatures of the Halogen Seas

Science & Futurism with Isaac Arthur ·

2026/08/02

What would life look like on a world where rain boils the ocean and corpses can explode? We explore fluorine-based biochemistry, hydrogen fluoride seas, and creatures built around containment rather than flesh.

en

00:33:41

Fluorine Lifeforms – Creatures of the Halogen Seas...

Science & Futurism with Isaac Arthur ·

2026/08/02

What would life look like on a world where rain boils the ocean and corpses can explode? We explore fluorine-based biochemistry, hydrogen fluoride seas, and creatures built around containment rather than flesh.

en

00:24:21

Can You Survive Inside a Star?

Science & Futurism with Isaac Arthur ·

2026/07/30

Can you survive inside a star? The answer is stranger than “no.” Explore plasma storms, red giants, magnetic shields, and how future civilizations might turn stars into fortresses.

en

00:24:02

Can You Survive Inside a Star? (Narration Only)

Science & Futurism with Isaac Arthur ·

2026/07/30

Can you survive inside a star? The answer is stranger than “no.” Explore plasma storms, red giants, magnetic shields, and how future civilizations might turn stars into fortresses.

en

00:36:45

Mass Drivers on the Moon - Enabling a Lunar Economy...

Science & Futurism with Isaac Arthur ·

2026/07/26

How the Moon could become the industrial launchpad of the Solar System.

en

00:36:46

Mass Drivers on the Moon - Enabling a Lunar Economy

Science & Futurism with Isaac Arthur ·

2026/07/26

How the Moon could become the industrial launchpad of the Solar System.

en

00:25:16

Molecular Industry: Factories Made of DNA (Narration...

Science & Futurism with Isaac Arthur ·

2026/07/23

The most advanced factories don’t use steel or robots. They use DNA. Molecular industry could turn biology into programmable manufacturing for medicine, space, and civilization.

en

00:25:35

Molecular Industry: Factories Made of DNA

Science & Futurism with Isaac Arthur ·

2026/07/23

The most advanced factories don’t use steel or robots. They use DNA. Molecular industry could turn biology into programmable manufacturing for medicine, space, and civilization.

en

00:28:51

How New Space Settlements Avoid Early Collapse

Science & Futurism with Isaac Arthur ·

2026/07/21

The first space colonies won’t fail because rockets break. They may fail because ecosystems, incentives, genetics, or society itself break first.

en

00:28:29

How New Space Settlements Avoid Early Collapse...

Science & Futurism with Isaac Arthur ·

2026/07/21

The first space colonies won’t fail because rockets break. They may fail because ecosystems, incentives, genetics, or society itself break first.

en

1,171 results

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