Tag
#energy
2 posts
Dyson Spheres and Swarms: Harvesting the Full Energy of a Star
Freeman Dyson's 1960 thought experiment about surrounding a star with a shell of energy collectors has become one of the defining ideas of advanced-civilization astronomy. Here is why it matters.
The Kardashev Scale: How Humanity Might Become a Type I, II, or III Civilization
Astronomer Nikolai Kardashev proposed a scale that ranks civilizations by their energy use. Understanding where humanity sits — and where we could go — is the most clarifying frame in futurism.