Kardashev scale:
The Kardashev scale is a method of measuring a civilization's level of technological advancement based on the amount of energy a civilization is able to use.
https://www.youtube.com/watch?v=9k-Kuc9esDI
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Dyson sphere:
A Dyson sphere is a hypothetical megastructure that completely encompasses a star and captures a large percentage of its power output.
https://en.wikipedia.org/wiki/Dyson_sphere
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Matrioshka brain:
A matrioshka brain is a hypothetical megastructure proposed by Robert Bradbury, based on the Dyson sphere, of immense computational capacity.
https://en.wikipedia.org/wiki/Matrioshka_brain
MBN:
Matrioshka brain of Neo
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