Is it possible to build a Dyson sphere that isn't catastrophically unstable? New research says yes, but only in one type of ...

In 1960, physicist Freeman Dyson proposed ... creating a Dyson sphere. A Type III civilization captures all the energy emitted by its galaxy, every star, black hole, etc. Earth is currently ...

At 1 million miles’ radius, a one-Earth gravity spin would take 24 hours! Orbiting the sun would give it seasons! And thousands of such objects in solar orbit would comprise… a Dyson sphere.

In the realm of science fiction, Dyson spheres and ringworlds have been staples for decades. But it is well known that the simplest designs are unstable against gravitational forces and would thus ...