How Many Habitable Planets Are In The Milky Way?
Latest Videos
The 10 Best Alien Invasion Strategies
Aliens don’t always attack with lasers—sometimes, the smartest invasions begin with a gift, a whisper, or a smile. Join us as we count down ten invasion strategies that actually make sense. Join this channel to get access to perks:...
Vaults of Eternity – Planetary Archives & Stasis Fields
From metal scrolls buried under alien skies to frozen vaults holding minds or monarchs for millennia, we examine how advanced civilizations might safeguard their legacy against the slow grinding of eternity. Watch my exclusive video Mass Drivers on...
Beaming Your Mind to a Starship or Colony
Can we travel the stars without a body? Explore the idea of uploading your mind and transmitting it at light speed to distant starships or colonies—becoming data instead of a passenger. Join this channel to get access to perks:...
Materials For Space Elevators – From Carbon Nanotubes To Graphene And Beyond…
Go to https://PIAVPN.com/IsaacArthur to get 83% off from our sponsor Private Internet Access with 4 months free! From carbon nanotubes to multi-layered graphene, we explore the revolutionary materials that could turn space elevators from sci-fi...
Why are spaceship corridors always so dark?
Dark spaceship corridors might look cool—but is there a reason for it beyond mood lighting? Let’s shed some light on this sci-fi staple. Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join Visit...
Before the Big Bang – What Came Before Time?
Join us as we journey beyond the birth of the universe to unravel the mysteries of what might have preceded the Big Bang—and whether time itself had a beginning. Watch my exclusive video Mass Drivers on the Moon:...
The Ethics of Transhumanism – Dreaming of More, Without Losing What We Are
Transhumanism promises a better humanity—or perhaps something no longer human at all. Join us as we explore the moral dilemmas and future paths of human augmentation. Watch my exclusive video Mass Drivers on the Moon:...
Could we upload your mind? And would it be you?
Explore the tantalizing prospect of mind uploading — copying or transferring your consciousness into a digital or artificial body. But would that copy truly be you, or just a clever imitation? We’ll dive into the neuroscience, philosophy, and...
How Alien Would Aliens Behave?
Forget tentacles—what matters is the mind. We explore how alien behavior might emerge from evolution, culture, and technology, and why our biggest first contact risk may be misunderstanding. Watch my exclusive video Mass Drivers on the Moon:...