Get a free month of Curiosity Stream: https://curiositystream.com/isaacarthur We often imagine that our planet might be a sentient entity - Gaia - but could something like this evolve under known science? And might a conscious world be something we might create in the...
Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ The End of the World is coming... but when and how? We'll explore all the options from manmade to natural, tomorrow to a trillion years in the future. Visit our Website: http://www.isaacarthur.net...
Go to https://buyraycon.com/isaacarthur for 15% off your order! Brought to you by Raycon. Water is one of the most common substances in the Universe, and Earth has far more seas than land and life arose in the ocean first. Planets covered entirely in water may be...
Get a free month of Curiosity Stream: http://curiositystream.com/isaacarthur Could Earth be home to a trillion people, or even more? We'll explore if we can do this with current technology, what future technologies would help, and what such a planet-wide city, an...
The first 500 people who click the link in the description will get 2 free months of Skillshare Premium: https://skl.sh/isaacarthur14 The Moon is covered in vast numbers of craters, some larger than entire Earth-based Nations, which may serve as dome habitats for...
Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ All of our civilization exists only a thin layer of Earth's surface, and our deepest mines barely scratch our planet. We often talk about finding new mineral resources on other worlds or asteroids in the...
Get a free month of Curiosity Stream: http://curiositystream.com/isaacarthur There's many dangerous places on Earth, and everywhere off Earth is downright lethal, from the emptiness of space to the airless and radiation soaked Moon to the smoldering inferno of Venus,...
Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ Discussion of advanced extraterrestrial civilizations often hinges on the idea that they may have ascended to a higher state or higher level of reality, and lost interest in us and the rest of the...
Get a free month of Curiosity Stream: http://curiositystream.com/isaacarthur Alien Invasions have been a staple of science fiction for years, with motherships and UFOs assaulting Earth, but how realistic is such a thing? We'll take a look at what might motivate an...
Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ The galaxy contains countless billions of planets we might colonize, and we may build far more living area as space station habitats and megastructures, but Earth will always be unique and living here...
Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ Earth has often been compared to a spaceship, one that's successfully orbited our star and the galaxy many times over billions of years. So what about moving our planet or even converting it or another...
Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ Historically humanity has often taken shelter in caves or underground, and it is often thought we might do so again, on other worlds, in event of disasters, or simply because we run out of room on the...