The Physics of FTL Travel
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Earth After Humanity
Connect the Dots with Ariadne: https://www.ariadne.inc We often think that one day the world will come to an end and humanity with it, and possibly with us causing it, but what would our world be like if life persisted after humanity was gone?...
Aliens Beyond the Galactic Rim?
Worlds far from the Galactic Core are thought to be low in many important elements for life, but some new research calls that into doubt, indicating that the ancient old worlds of the galactic rim might harbor alien life. See our episode The Fermi...
Life in 2323 A.D.
The first 1,000 people to use the link will get a 1 month free trial of Skillshare https://skl.sh/isaacarthur06237 What will life be like 300 years in our future, or for those living 300 million miles away? Visit our Website:...
Non-Equatorial Space Elevators
Space Elevators offer the possibility of ultra-cheap space travel for all, but even if we find strong enough materials to build one, can we place them near our cities or only on the equator? See our episode Space Elevators for more details:...
Quasar Cannon
The Quasar Cannon is a hypothetical way of weaponizing Black Holes. Able to sterilize entire galaxies, it epitomizes the idea that if Brute Force isn't working, you're not using enough of it. To find out more about other megastructures, see the...
Artificial Afterlives
For as long as we have had history and likely before, people have contemplated a life after this one, but might we one day create artificial afterlives? And if so, will we create heavens or hells? Get Nebula using my link for 40% off an annual...
BWC Megastructures & Artificial Planets
BWC Megastructures are types of hypothetical mega engineering projects, like artificial planets, who scope is vast, but whose practicality is debatable. To find out more about them and other megastructures, see the Megastructure Compendium:...
Higher Dimensional Aliens
Checkout Keysight World Innovate: https://keysig.ht/rX9blU Could there be universes with more than 3 Dimensions? And if so, could life exist there? Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support...
Space Towers
The first 1,000 people to use the link will get a 1 month free trial of Skillshare https://skl.sh/isaacarthur06238 One day we may retire our rockets and instead reach the heavens by ascending towers so tall they dwarf mountains, and rise above the...