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Surprisingly, Some Dyson Spheres and Ringworlds Can Be Stable
Slashdot reader Required Snark shared this article from Phys.org: In the realm of science fiction, [sun-energy capturing] 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 be torn apar...
Slashdot reader Required Snark shared this article from Phys.org: In the realm of science fiction, [sun-energy capturing] Dyson spheres and ringworlds have been staples for decades. These results can aid the search for extraterrestrial intelligence, McInnes said, "If we can understand when such structures can be stable, then this could potentially help direct future SETI surveys." An important technosignature would be one bright star orbiting in tandem with an object showing a strong infrared excess.
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