How intelligent space aliens could harness incredible power from a black hole

Researchers show how intelligent aliens might draw nearly-limitless power from a black hole using a Dyson sphere.

 

The search for extraterrestrial intelligence (SETI) has been conducted for nearly 60 yr. A Dyson sphere, a spherical structure that surrounds a star and transports its radiative energy outwards as an energy source for an advanced civilization, is one of the main targets of SETI to identify intelligent aliens around galactic energy sources.

 

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