Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500. Our Universe is billions of years older than our planet, and we often contemplate alien civilizations that might have arisen...
Time Travel
Click here to explore your creativity and get 2 free months of Premium Membership: https://skl.sh/isaacarthur13 Is time travel possible, and if it is, what sort of civilizations would result? We'll explore the science that might permit it as well as the classic...
Interstellar Civilizations & Time
Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ As we pioneer our way out from Earth to other planets and eventual the stars, our concept of time will change in more ways than just different calendars. We'll explore how interstellar civilizations...
Seeding the Stars
Sign up with Skillshare for 2 months of Free classes: https://skl.sh/isaac5 The galaxy is a vast place with billions of potential new worlds for humanity to colonize, but interstellar space is so enormous that reaching even the nearest stars and planets by spaceship...
The Million Year Ark
A Journey to the Edge of Time and Space Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ As we continue our look at Generation Ships, vast vessels designed to carry many thousands of colonists to distant and alien worlds centuries away, we must ask...
Civilizations at the End of Time: Dying Earth
A trip deep into the far future, to the End of Earth Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ For most of human history, the end of Earth, the Universe, and Time itself were all identical, now we know the world will end in 4 billion years, long...
