It can be hard to hear a signal 100 miles away—so what does it take to build a beacon loud enough to be heard 100,000 light years away? In this episode, we explore galactic beacons: powerful transmissions that may teach, warn, or outlast the minds that made them....
Stellar Nomads
Use code isaacarthur at the link below to get an exclusive 60% off an annual Incogni plan: https://incogni.com/isaacarthur In the future, we may colonize other planets or build artificial worlds for people to life on, but some may choose a nomadic life on spaceships...
Battlefleets
In the future, fleets of unimaginable scope may battle over light years, in conflicts that might last milliseconds or entire centuries. Watch my exclusive video Jupiter Brains & Mega Minds: https://nebula.tv/videos/isaacarthur-jupiter-brains-mega-minds Get Nebula...
Were Primitive Humans Uplifted By Aliens?
Many believe humanity's climb upward may have been assisted by outsiders. Is this possible, and if so, what does that tell us about our own past... and future? Watch my exclusive video Jupiter Brains & Mega Minds:...
The Fermi Paradox: Migration
Go to https://brilliant.org/IsaacArthur/ to get a 30-day free trial and 20% off their annual subscription. We often wonder where all the vast and ancient alien civilizations are, but could it be that they've migrated far away in space or time, or even journeyed beyond...
Do We Live In A Cosmic Void?
Space is vast and empty, but some parts and vaster and emptier than others. Do we live in one such region? Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join Visit our Website: http://www.isaacarthur.net Join...
Space Freighters, Cargos & Crews
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Cosmic Capitals
Go to https://brilliant.org/IsaacArthur/ to get a 30-day free trial and 20% off their annual subscription. One day our civilization may settle our whole galaxy, with mighty star empires consisting of millions if not billions of worlds, but what would the centers of...
Colonization & Habitability Of Binary Star Systems
Go to https://brilliant.org/IsaacArthur/ to get a 30-day free trial and 20% off their annual subscription. There are billion of binary star systems in our galaxy, including many of those stars closest to us. Can such systems host life, and what would it be like to...
Defending Earth
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Multi-Planetary Empires
One day humanity may settle countless worlds, but could any nation hope to govern multiple planets or even star systems? Watch my exclusive video Crystal Aliens https://nebula.tv/videos/isaacarthur-crystal-aliens Get Nebula using my link for 40% off an annual...
Is Terraforming Planets Ethical?
Use code isaacarthur at the link below to get an exclusive 60% off an annual Incogni plan: https://incogni.com/isaacarthur In the future we may be able to claim new worlds and forge them into paradises, but should we? Visit our Website: http://www.isaacarthur.net Join...
