Can Dyson spheres be stable? New research says yes

Artist’s concept of a Dyson sphere. Dyson spheres are structures that would form rings or hollow spheres around stars and harness their energy. However, they would be unstable around a star due to its gravitational forces. But now a new study says they could be stable around a 2-star system. Image via Kevin Gill/ Wikimedia Commons (CC BY 2.0).

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Dyson spheres in 2-star systems

How would advanced alien...