Contemporary · Big Hypotheses · Science Fiction
Dark Forest Theory
Liu Cixin · 2008
"The universe is full of life, but everyone is hiding in absolute silence because revealing your location guarantees your destruction."
The Fermi Paradox asks: if the universe is so vast and old, where are all the aliens? The Dark Forest Theory provides a terrifying answer: they are out there, but they are staying perfectly quiet to survive.
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The Kardashev Scale
"A civilization's technological advancement can be measured purely by the amount of energy it is able to harness and utilize."
Nikolai Kardashev · AstrophysicsContinue→