Physicist Freeman Dyson first proposed what has come to be known as a Dyson sphere in a 1960 paper in Science. It is a shell structure that would completely surround a star, built from dissembled ...

A grand design for civilization-level energy Originally ... Instead of building an impossibly rigid shell—a classic “Dyson sphere”—the more plausible version is a Dyson swarm: countless ...

These Dyson swarms will trap heat so any planets within the sphere are likely to experience a temperature increase. A new paper explores this and concludes that a complete Dyson swarm outside the ...