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...
White Holes: Do They Exist?
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...
Why Space Is Not Actually Cold
Space looks freezing, but “cold” works very differently in a vacuum. Without air to carry heat away, objects in space can actually stay hot for a surprisingly long time. #Space #Science #Physics #Astronomy #SpaceFacts #SFIA 🚀 Join this channel to get access to perks:...
Mining Mercury: The First Planetary Industrial Base
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:...
Making Gasoline from: Air The Science of Synthetic Fuel
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...
How Close Could You Get to the Sun? #space #science
How close could a spacecraft - or a human - really get to the Sun before heat and radiation win? Let’s push the limits and find out where survival stops being possible 🚀 Join this channel to get access to perks:...
The Economics of Immortality: What Happens If We Live Forever?
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 :...
Could You Deadlift an Asteroid?
Could you actually deadlift an asteroid in low gravity? It sounds absurd, but depending on the asteroid, your body, and the gravity involved, the answer gets surprisingly interesting. 🚀 Join this channel to get access to perks:...
How Big Could Human Civilization Get?
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:...
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 civilizations trapped inside inherited technology. Get Nebula using my link for 50% off an annual...
Ask Me Anything About the Future | Space, AI, Aliens & Civilization | SFIA October Live Q&A
Join Isaac Arthur for a live discussion on the future of humanity and the technologies that will get us there! 🌌 This month, we are diving deep into your questions on space megastructures, interstellar travel, and the long-term trajectory of our civilization. 🔭 Bring...
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 material needed to build a spacefaring civilization. Get Nebula using my link for 50% off an annual...
