Matrioshka Brains: Computers Powered by a Star
Isaac Arthur · Explainer · 24 min · 2016 · YouTube title: Matrioshka Brains: Star-Powered Computers
Why it's here
HN points to it as the accessible introduction to Matrioshka Brains whenever very large computational structures come up.
What it covers
Isaac Arthur explains the Matrioshka Brain, a hypothetical computer or artificial mind powered by an entire star using nested shells. It covers how such megastructures relate to Dyson spheres and superintelligence.