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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

00:35:44

What Are the Limits of Human Knowledge? (Narration Only)

Science & Futurism with Isaac Arthur ·

2026/07/19

Can humanity ever know everything? Explore the hard limits of knowledge: cosmic horizons, quantum measurement, chaos, computation, lost meaning, AI, wisdom, and the shoreline of the unknown.

en

00:36:03

What Are the Limits of Human Knowledge?

Science & Futurism with Isaac Arthur ·

2026/07/19

Can humanity ever know everything? Explore the hard limits of knowledge: cosmic horizons, quantum measurement, chaos, computation, lost meaning, AI, wisdom, and the shoreline of the unknown.

en

00:28:13

The Great Lunar Boom: Building a Civilization on the...

Science & Futurism with Isaac Arthur ·

2026/07/16

The Moon isn’t a stepping stone—it’s the foundation. Discover how industry, logistics, and self-building machines could turn Luna into humanity’s first off-world civilization.

en

00:27:52

The Great Lunar Boom: Building a Civilization on the...

Science & Futurism with Isaac Arthur ·

2026/07/16

The Moon isn’t a stepping stone—it’s the foundation. Discover how industry, logistics, and self-building machines could turn Luna into humanity’s first off-world civilization.

en

00:58:10

The End of Time: Heat Death, Big Rip, or Big Crunch?...

Science & Futurism with Isaac Arthur ·

2026/07/11

Will the universe fade, rip apart, collapse, reset, or simply stop making sense? A tour of the strangest possible endings of reality.

en

00:58:32

The End of Time: Heat Death, Big Rip, or Big Crunch?

Science & Futurism with Isaac Arthur ·

2026/07/11

Will the universe fade, rip apart, collapse, reset, or simply stop making sense? A tour of the strangest possible endings of reality.

en

00:24:44

The Most Dangerous Stars in the Universe (Narration...

Science & Futurism with Isaac Arthur ·

2026/07/09

The universe has stars that don’t just shine, they threaten worlds. Explore neutron stars, magnetars, pulsars, hypernovae, vampire stars, and gamma-ray bursts.

en

00:25:04

The Most Dangerous Stars in the Universe

Science & Futurism with Isaac Arthur ·

2026/07/09

The universe has stars that don’t just shine, they threaten worlds. Explore neutron stars, magnetars, pulsars, hypernovae, vampire stars, and gamma-ray bursts.

en

00:25:28

Digital Immortality - Backing Up the Human Soul

Science & Futurism with Isaac Arthur ·

2026/07/05

Could digital immortality really save you, or just create a convincing copy? We explore mind uploading, backups, identity, and whether survival means continuity… or redundancy.

en

00:25:10

Digital Immortality - Backing Up the Human Soul...

Science & Futurism with Isaac Arthur ·

2026/07/05

Could digital immortality really save you, or just create a convincing copy? We explore mind uploading, backups, identity, and whether survival means continuity… or redundancy.

en

00:41:27

Is AI the Great Filter? | The Fermi Paradox

Science & Futurism with Isaac Arthur ·

2026/07/02

Could AI explain the Fermi Paradox? From alignment failures to machine ecologies, we explore whether artificial intelligence destroys civilizations… or helps them reach the stars.

en

00:41:13

Is AI the Great Filter? | The Fermi Paradox...

Science & Futurism with Isaac Arthur ·

2026/07/02

Could AI explain the Fermi Paradox? From alignment failures to machine ecologies, we explore whether artificial intelligence destroys civilizations… or helps them reach the stars.

en

00:40:21

Water Shielded Starships - Surviving Radiation in...

Science & Futurism with Isaac Arthur ·

2026/06/28

From cosmic rays to solar storms, space travel is a radiation gauntlet—but water may be the simplest, smartest solution. Discover how future starships might turn their life-support systems into life-saving armor.

en

00:40:46

Water Shielded Starships - Surviving Radiation in...

Science & Futurism with Isaac Arthur ·

2026/06/28

From cosmic rays to solar storms, space travel is a radiation gauntlet—but water may be the simplest, smartest solution. Discover how future starships might turn their life-support systems into life-saving armor.

en

00:26:39

Antimatter Containment - Bottling the Lightning

Science & Futurism with Isaac Arthur ·

2026/06/25

Antimatter could power starships, but how do you store fuel that annihilates on contact? We explore traps, fields, failures, and future containment.

en

00:26:21

Antimatter Containment - Bottling the Lightning...

Science & Futurism with Isaac Arthur ·

2026/06/25

Antimatter could power starships, but how do you store fuel that annihilates on contact? We explore traps, fields, failures, and future containment.

en

00:29:27

What If We Found a Second Earth Nearby?

Science & Futurism with Isaac Arthur ·

2026/06/23

What if we found a true second Earth nearby? A living world, a barren paradise, or something too familiar to be natural could change science, politics, and humanity’s future forever.

en

00:29:04

What If We Found a Second Earth Nearby? (Narration Only)

Science & Futurism with Isaac Arthur ·

2026/06/23

What if we found a true second Earth nearby? A living world, a barren paradise, or something too familiar to be natural could change science, politics, and humanity’s future forever.

en

00:38:34

Why Haven’t We Found Dyson Spheres Yet? (Narration Only)

Science & Futurism with Isaac Arthur ·

2026/06/20

Where are the Dyson Spheres? If they’re real, we should see them everywhere. Here’s why we don’t, and what that means for alien civilizations.

en

00:40:28

The Physics of FTL Travel (Narration Only)

Science & Futurism with Isaac Arthur ·

2026/06/18

Could we ever go faster than light? We examine warp drives, wormholes, hyperspace, tachyons, and the deep physics protecting causality.

en

1,171 results

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