Isaac Arthur
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.
Be sure to visit the podcast's website and support the creator: art19.com
Where to listen?
Podcasts in the app Replaio Radio Coming soonPodcasts are coming to the app soon. Install now and be the first to see a whole new take on podcasts
Episodes
Could We Create Artificial Universes? 11.10.2026 32:51
What if the ultimate technology isn’t a starship, but a universe? We explore simulated worlds, baby universes, black holes, false vacuum bubbles, and whether civilization could one day create realities of its own. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Enjoy Rifftrax: https://nebula.tv/rifftrax?ref=isaacarthur 🛒 SFIA Merchandise: https://isaa...
Could We Create Artificial Universes? Narration Only) 11.10.2026 32:28
What if the ultimate technology isn’t a starship, but a universe? We explore simulated worlds, baby universes, black holes, false vacuum bubbles, and whether civilization could one day create realities of its own. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Enjoy Rifftrax: https://nebula.tv/rifftrax?ref=isaacarthur 🛒 SFIA Merchandise: https://isaa...
White Holes: Do They Exist? 08.10.2026 28:21
White holes are black holes run backward: nothing can enter, but matter and light can escape. We explore whether these strange solutions could exist, connect to black holes, or even hint at how universes are born. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Enjoy Rifftrax: https://nebula.tv/rifftrax?ref=isaacarthur 🛒 SFIA Merchandise: https://isaa...
White Holes: Do They Exist? (Narration Only) 08.10.2026 28:04
White holes are black holes run backward: nothing can enter, but matter and light can escape. We explore whether these strange solutions could exist, connect to black holes, or even hint at how universes are born. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Enjoy Rifftrax: https://nebula.tv/rifftrax?ref=isaacarthur 🛒 SFIA Merchandise: https://isaa...
Mining Mercury: The First Planetary Industrial Base 04.10.2026 36:38
Mercury may be the Solar System’s first true industrial world. We explore robotic mines, solar furnaces, mass drivers, mobile cities, and how the innermost planet could help build a Dyson swarm. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Space Money and our Space Industry Collection: https://nebula.tv/isaacarthur/space-industry-collection...
Mining Mercury: The First Planetary Industrial Base (Narration Only) 04.10.2026 36:20
Mercury may be the Solar System’s first true industrial world. We explore robotic mines, solar furnaces, mass drivers, mobile cities, and how the innermost planet could help build a Dyson swarm. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Space Money and our Space Industry Collection: https://nebula.tv/isaacarthur/space-industry-collection...
Making Gasoline from: Air The Science of Synthetic Fuel (Narration Only) 01.10.2026 33:30
What if we could make gasoline from air? We explore how carbon dioxide, water, and electricity can become synthetic gasoline, jet fuel, rocket propellant, plastics, and more. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Space Money and our Space Industry Collection: https://nebula.tv/isaacarthur/space-industry-collection 🛒 SFIA Merchandise...
Making Gasoline from: Air The Science of Synthetic Fuel 28.09.2026 33:49
What if we could make gasoline from air? We explore how carbon dioxide, water, and electricity can become synthetic gasoline, jet fuel, rocket propellant, plastics, and more. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Space Money and our Space Industry Collection: https://nebula.tv/isaacarthur/space-industry-collection 🛒 SFIA Merchandise...
The Economics of Immortality 27.09.2026 41:29
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 link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Mad Kings : https://nebula.tv/madkings?ref=isaacarthur 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/ 🌐 Visit our Website: http://...
The Economics of Immortality (Narration Only) 27.09.2026 41:10
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 link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Mad Kings : https://nebula.tv/madkings?ref=isaacarthur 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/ 🌐 Visit our Website: http://...
The Prison Planet Problem - Exiled to Space (Narration Only) 24.09.2026 32:52
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 nightmare with rockets. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Mad Kings : https://nebula.tv/madkings?ref=isaacarthur 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthw...
The Prison Planet Problem - Exiled to Space 24.09.2026 33:12
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 nightmare with rockets. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Mad Kings : https://nebula.tv/madkings?ref=isaacarthur 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthw...
How Big Could Human Civilization? 20.09.2026 43:38
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 scale. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?ref=isaacarthur 🛒 SFIA Merchandise: https://isa...
How Big Could Human Civilization? (Narration Only) 20.09.2026 43:39
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 scale. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?ref=isaacarthur 🛒 SFIA Merchandise: https://isa...
Can a Civilization Forget How Its Own Technology Works? 17.09.2026 32:21
What happens when the machines still work, but nobody remembers how they were built? We explore technological amnesia, black-box automation, lost expertise, and civilizations trapped inside inherited technology. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Alien Data Arks, Outsider Aliens, and our Alien Life Collection: https://nebula.tv/is...
Can a Civilization Forget How Its Own Technology Works? (Narration Only) 17.09.2026 32:00
What happens when the machines still work, but nobody remembers how they were built? We explore technological amnesia, black-box automation, lost expertise, and civilizations trapped inside inherited technology. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Alien Data Arks, Outsider Aliens, and our Alien Life Collection: https://nebula.tv/is...
Floating Cities Above Gas Giants 12.09.2026 25:43
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 material needed to build a spacefaring civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?ref=isaa...
Floating Cities Above Gas Giants (Narration Only) 12.09.2026 25:23
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 material needed to build a spacefaring civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?ref=isaa...
The First Space Elevator: Where Would We Build It? 10.09.2026 22:52
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 best candidates. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Mad Kings : https://nebula.tv/madkings?ref=isaacarthur 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwal...
The First Space Elevator: Where Would We Build It? (Narration Oly) 10.09.2026 22:35
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 best candidates. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Mad Kings : https://nebula.tv/madkings?ref=isaacarthur 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwal...
Ion Drives: The Slow Rockets That Win Space 06.09.2026 34:37
Ion drives are slow, quiet, and astonishingly efficient. From asteroid freighters and Mars cargo ships to the infrastructure behind future starships, these patient engines may help build civilization across the Solar System. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?...
Ion Drives: The Slow Rockets That Win Space (Narration Only) 06.09.2026 34:15
Ion drives are slow, quiet, and astonishingly efficient. From asteroid freighters and Mars cargo ships to the infrastructure behind future starships, these patient engines may help build civilization across the Solar System. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?...
The Wow! Signal: Alien Message, Cosmic Fluke, or SETI’s Best False Alarm? 03.09.2026 34:58
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 in 1977? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Alien Data Arks, Outsider Aliens, and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection...
The Wow! Signal: Alien Message, Cosmic Fluke, or SETI’s Best False Alarm? (Narration Only) 03.09.2026 34:37
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 in 1977? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Alien Data Arks, Outsider Aliens, and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection...
Dark Biospheres - Life on Worlds Without Sunlight 29.08.2026 27:50
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. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Otusider Aliens and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-...
Similar podcasts
Replaio is not a podcast publisher; show names, artwork and audio belong to their authors and are distributed through public RSS feeds.