Dyson Sphere
A hypothetical megastructure that completely encompasses a star and captures a large percentage of its power output.
Videos Mentioning Dyson Sphere

How To Simulate The Universe With DFT
PBS Space Time
A hypothetical megastructure that completely encompasses a star and captures a large percentage of its power output.

David Kipping: Alien Civilizations and Habitable Worlds | Lex Fridman Podcast #355
Lex Fridman
A hypothetical mega-structure that completely encloses a star to capture all its energy, which would be detectable as a bright infrared source with no visible light.

Demis Hassabis: DeepMind - AI, Superintelligence & the Future of Humanity | Lex Fridman Podcast #299
Lex Fridman
A hypothetical megastructure that completely encompasses a star and captures most of its power output, discussed as a visible sign of advanced alien life.

Fermat's Library Cofounders João Batalha and Luís Batalha
Y Combinator
A theoretical megastructure proposed by Freeman Dyson to capture a star's energy output.

Luís and João Batalha: Fermat's Library and the Art of Studying Papers | Lex Fridman Podcast #209
Lex Fridman
A hypothetical megastructure that completely encompasses a star and captures a large percentage of its power output, theorized by Freeman Dyson. Its properties, construction, and detection methods are summarized.