Stealing the Ark: Could Pirates Hijack a Colony Ship?
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Life in a Relativistic Starship
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. Get Nebula using my link for 50%...
Ask Me Anything About the Future | Space, AI, Aliens & Civilization | SFIA August 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...
Why Aliens Might Use Lasers Instead of Radio
Aliens may not be broadcasting to the galaxy at all. Powerful lasers could carry messages across interstellar distances in razor-thin beams, briefly outshining a star, yet miss Earth by billions of miles. 🚀 Join this channel to get access to perks:...
Are We Living in a Simulation? A Modern Look at the Simulation Argument
Are we living in a simulation, or are we becoming the simulators? From AI worlds to digital immortality and the Fermi Paradox, we explore reality’s weirdest possibility. 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/ 🌐 Visit our...
The First Martian Cities: Planning Habitats
Mars won’t get cities because it becomes easy to live there. It gets cities because people stay. We explore how the first fragile outposts become homes, economies, neighborhoods, and civilization. Get Nebula using my link for 50% off an annual...
What If Aliens Are Watching But Won’t Intervene?
What if advanced aliens are quietly watching Earth but refuse to interfere? Explore the cosmic zoo hypothesis, why silence may be deliberate, and what non-intervention could mean for humanity. 🚀 Join this channel to get access to perks:...
Fluorine Lifeforms – Creatures of the Halogen Seas
Could life survive in oceans that eat glass and treat water as poison? Explore fluorine-rich biology, hydrogen fluoride seas, and alien creatures whose metabolisms resemble carefully contained rocket engines. Get Nebula using my link for 50% off an...
Can You Survive Inside a Star?
Can you survive inside a star? The answer is stranger than “no.” Explore plasma storms, red giants, magnetic shields, and how future civilizations might turn stars into fortresses. Get Nebula using my link for 50% off an annual subscription:...
How Close Could You Safely Orbit A Black Hole? #space #science
How close can a spacecraft safely orbit a black hole? Compare deadly stellar-mass black holes with gentler supermassive giants, and see how extreme orbits could give future ships enormous speed boosts. 🚀 Join this channel to get access to perks:...