Science & Futurism with Isaac Arthur cover image

Grabby Aliens & The Fermi Paradox

Science & Futurism with Isaac Arthur

00:00

Grab Aliens - What Are They?

Quiet aliens are by definition the only kind we currently observe since they preserve the former Paradox and loud aliens are what we are looking for with SETI. Loud aliens have three characteristics: They expand fast, they last a long time, and they make visible changes to the places they go. A GC in this context is likely be a multi-million galaxy empire rather than a civilization inside a galaxy or controlling an entire one.

Play episode from 07:55
Transcript

The AI-powered Podcast Player

Save insights by tapping your headphones, chat with episodes, discover the best highlights - and more!
App store bannerPlay store banner
Get the app