Dyson Sphere Archives

Press Release, Science Fiction, SETI & Technosignatures, Terraforming & Geoengineering

Application of the Thermodynamics of Radiation to Dyson Spheres as Work Extractors and Computational Engines, and their Observational Consequences

by Keith CowingSeptember 18, 2023September 18, 2023

I apply the thermodynamics of radiation to Dyson spheres as machines that do work or computation, and examine their observational consequences.

Slowing down the Mars in-order to enter the transfer orbit (The image is not to scale).

Habitable Zones, SETI & Technosignatures, Status Report, Terraforming & Geoengineering

Making Habitable Worlds: Planets Versus Megastructures

by Keith CowingSeptember 14, 2023September 14, 2023

In 2015, a star KIC 8462852 caught the world’s attention due to a paper by citizen scientists who noticed its seemingly unexplainable brightness variations.

Press Release, SETI & Technosignatures

Dyson Spheres

by Keith CowingJune 30, 2020

I review the origins and development of the idea of Dyson spheres, their purpose, their engineering, and their detectability. I explicate the ways in which the popular imagining of them […]