Chapter
The Rarity of Life in a Vast Universe
30:54 - 36:15 (05:21)
The likelihood of intelligent life on a planet seems to be low due to the rarity of favorable circumstances and the vastness of the universe, which poses catastrophic threats like 'vacuum decay'.
Clips
According to the math of our best estimate, Grabby Aliens appear roughly once per million galaxies and we would meet them in roughly a billion years if we expanded out to meet them.
30:54 - 32:01 (01:07)
Summary
According to the math of our best estimate, Grabby Aliens appear roughly once per million galaxies and we would meet them in roughly a billion years if we expanded out to meet them. They are an omnipotent extraterrestrial civilization that would take apart stars, rearrange them, restructure galaxies, and do massive stuff.
ChapterThe Rarity of Life in a Vast Universe
Episode#292 – Robin Hanson: Alien Civilizations, UFOs, and the Future of Humanity
PodcastLex Fridman Podcast
The probability of advanced life appearing on planets is incredibly low due to the vast timescales and uncertainty of the universe's evolution.
32:01 - 34:56 (02:55)
Summary
The probability of advanced life appearing on planets is incredibly low due to the vast timescales and uncertainty of the universe's evolution. Even if the universe were empty and waiting for intelligent life, the chances of it appearing would be at the end of all the planet lifetimes.
ChapterThe Rarity of Life in a Vast Universe
Episode#292 – Robin Hanson: Alien Civilizations, UFOs, and the Future of Humanity
PodcastLex Fridman Podcast
The power law model suggests that we are lucky to exist so early in the universe's history, with the assumption being that the universe would stay empty.
34:56 - 36:15 (01:19)
Summary
The power law model suggests that we are lucky to exist so early in the universe's history, with the assumption being that the universe would stay empty. However, the gravity aliens are currently filling up the universe, and when they completely fill it, it will be too late for us to appear.