Science & Futurism with Isaac Arthur

The Economics of Immortality

What happens when time stops being scarce? From nanobots to mind uploads, we explore the economy of immortality... and what it costs to live forever. Get Nebula using my

The Economics of Immortality (Narration Only)

What happens when time stops being scarce? From nanobots to mind uploads, we explore the economy of immortality... and what it costs to live forever. Get Nebula using my

The Prison Planet Problem - Exiled to Space (Narration Only)

Would we ever colonize space with prisoners? From penal colonies to prison planets, we explore whether exile could become a second chance, a new civilization, or a nightm

The Prison Planet Problem - Exiled to Space

Would we ever colonize space with prisoners? From penal colonies to prison planets, we explore whether exile could become a second chance, a new civilization, or a nightm

How Big Could Human Civilization?

How big could human civilization become? From trillion-person worlds to Dyson swarms, galaxy-spanning cultures, and digital minds, we explore just how far humanity could

How Big Could Human Civilization? (Narration Only)

How big could human civilization become? From trillion-person worlds to Dyson swarms, galaxy-spanning cultures, and digital minds, we explore just how far humanity could

Can a Civilization Forget How Its Own Technology Works?

What happens when the machines still work, but nobody remembers how they were built? We explore technological amnesia, black-box automation, lost expertise, and civilizat

Can a Civilization Forget How Its Own Technology Works? (Narration Only)

What happens when the machines still work, but nobody remembers how they were built? We explore technological amnesia, black-box automation, lost expertise, and civilizat

Floating Cities Above Gas Giants

Why build floating cities above Jupiter and Saturn? Not for fusion fuel, but for something far more valuable: the staggering amounts of hydrogen, nitrogen, and raw materi

Floating Cities Above Gas Giants (Narration Only)

Why build floating cities above Jupiter and Saturn? Not for fusion fuel, but for something far more valuable: the staggering amounts of hydrogen, nitrogen, and raw materi

The First Space Elevator: Where Would We Build It?

If we could build a space elevator tomorrow, where should it go? Earth may be the obvious answer, but the Moon, Mars, and other worlds may be far easier. We compare the b

The First Space Elevator: Where Would We Build It? (Narration Oly)

If we could build a space elevator tomorrow, where should it go? Earth may be the obvious answer, but the Moon, Mars, and other worlds may be far easier. We compare the b

Ion Drives: The Slow Rockets That Win Space

Ion drives are slow, quiet, and astonishingly efficient. From asteroid freighters and Mars cargo ships to the infrastructure behind future starships, these patient engine

Ion Drives: The Slow Rockets That Win Space (Narration Only)

Ion drives are slow, quiet, and astonishingly efficient. From asteroid freighters and Mars cargo ships to the infrastructure behind future starships, these patient engine

The Wow! Signal: Alien Message, Cosmic Fluke, or SETI’s Best False Alarm?

For 72 seconds, the universe seemed to answer SETI. The Wow! Signal was strong, narrowband, and strangely convincing... but it never came back. So what actually happened

The Wow! Signal: Alien Message, Cosmic Fluke, or SETI’s Best False Alarm? (Narration Only)

For 72 seconds, the universe seemed to answer SETI. The Wow! Signal was strong, narrowband, and strangely convincing... but it never came back. So what actually happened

Dark Biospheres - Life on Worlds Without Sunlight

Could life thrive without sunlight? Explore dark biospheres on rogue planets, icy moons, and buried oceans, where chemistry, tidal heating, and geothermal energy may sust

Dark Biospheres - Life on Worlds Without Sunlight (Narration Only)

Could life thrive without sunlight? Explore dark biospheres on rogue planets, icy moons, and buried oceans, where chemistry, tidal heating, and geothermal energy may sust

What Happens Inside a Black Hole?

What really happens when you fall into a black hole? We explore event horizons, spaghettification, what you’d see inside, possible gateways, and why future civilizations

What Happens Inside a Black Hole? (Narration Only)

What really happens when you fall into a black hole? We explore event horizons, spaghettification, what you’d see inside, possible gateways, and why future civilizations