Science & Futurism with Isaac Arthur

The Dark Forest Theory is a proposed solution to the Fermi Paradox from Cixin Liu which suggests all alien civilizations remain intentionally quiet, hiding from SETI efforts and possible hostile civilizations. It also argues they may attack any civilization which does not remain silent, like us. Visit our Website: http://www.isaacarthur.net Support us on Patreon: https://www.patreon.com/IsaacArthu...

Many a land was settled by exiles and prisoners, and many a science fiction story contemplates that we may use such methods when colonize new worlds. But are such methods viable? and what methods might we use in the future for dealing with criminals? watch the video version: https://youtu.be/s_B_CJ3yieM Get a free month of Curiosity Stream: http://curiositystream.com/isaacarthur Visit our Website:...

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 ground above. In this episode we'll explore the concept of building underground, from simply subways and basements to advanced bunkers or entire cities beneath the Earth. Watch the video version: htt...

Without the Sun our world would be a frozen wasteland, and for this reason any efforts to colonize the galaxy must focus on huddling in the tiny oases of warmth around stars, separated from each other by enormous gulfs of interstellar space. But what if we could make our own stars at the places of our choosing? And can we merely mimic nature or create stars unlike anything which nature has formed?...