Science & Futurism with Isaac Arthur

00:25:43

Floating Cities Above Gas Giants

Science & Futurism with Isaac Arthur ·

2026/09/12

Could humanity someday live in cities floating above Jupiter and Saturn? We explore how cloud cities could work, why bigger may actually be easier, and what could make gas giants vital hubs of future civilization.

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00:22:52

The First Space Elevator: Where Would We Build It?

Science & Futurism with Isaac Arthur ·

2026/09/10

A space elevator could transform access to orbit, but where should humanity build the first one? Earth, the Moon, Mars, or somewhere else entirely? We explore the physics, engineering, and best locations.

en

00:22:35

The First Space Elevator: Where Would We Build It?...

Science & Futurism with Isaac Arthur ·

2026/09/10

A space elevator could transform access to orbit, but where should humanity build the first one? Earth, the Moon, Mars, or somewhere else entirely? We explore the physics, engineering, and best locations.

en

00:34:37

Ion Drives: The Slow Rockets That Win Space

Science & Futurism with Isaac Arthur ·

2026/09/06

How do ion drives work, and why are they so efficient? Explore ion propulsion, Hall thrusters, xenon fuel, nuclear-electric spacecraft, asteroid cargo ships, and the strange future of slow rockets that just keep accelerating.

en

00:34:15

Ion Drives: The Slow Rockets That Win Space...

Science & Futurism with Isaac Arthur ·

2026/09/06

How do ion drives work, and why are they so efficient? Explore ion propulsion, Hall thrusters, xenon fuel, nuclear-electric spacecraft, asteroid cargo ships, and the strange future of slow rockets that just keep accelerating.

en

00:34:37

The Wow! Signal: Alien Message, Cosmic Fluke, or...

Science & Futurism with Isaac Arthur ·

2026/09/03

A mysterious signal. A perfect 72-second rise and fall. No repeat. No confirmed source. The Wow! Signal remains one of SETI’s most tantalizing mysteries... and maybe its best false alarm.

en

00:34:58

The Wow! Signal: Alien Message, Cosmic Fluke, or...

Science & Futurism with Isaac Arthur ·

2026/09/03

A mysterious signal. A perfect 72-second rise and fall. No repeat. No confirmed source. The Wow! Signal remains one of SETI’s most tantalizing mysteries... and maybe its best false alarm.

en

00:27:22

Dark Biospheres - Life on Worlds Without Sunlight...

Science & Futurism with Isaac Arthur ·

2026/08/29

Could life thrive without sunlight? Explore dark biospheres on rogue planets, icy moons, and buried oceans, where chemistry, tidal heating, and geothermal energy may sustain alien ecosystems in eternal night.

en

00:34:00

What Happens Inside a Black Hole? (Narration Only)

Science & Futurism with Isaac Arthur ·

2026/08/27

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 might deliberately build around these cosmic engines.

en

00:38:10

Megacorporations in Space (Narration Only)

Science & Futurism with Isaac Arthur ·

2026/08/23

From company towns in orbit to corporate empires among the stars, could megacorporations build the space frontier—or end up owning the air, the docks, and the only ride home?

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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.

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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

00:40:47

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.

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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

00:33:02

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

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