Civilization types:
- Type I: A civilization that can harness all the energy that falls on its planet from its parent star.
- Type II: A civilization that can harness all the energy output by its parent star.
- Type III: A civilization that can harness all the energy in its galaxy.
The Earth can be seen as an [[Entropy|entropy]] machine. It receives low-entropy energy from the Sun in the form of sunlight, and it radiates this energy back into space as high-entropy heat. This process is what allows life on Earth to exist and evolve.
The Kardashev Scale can be seen as a measure of a civilization's ability to control and manage entropy. The higher a civilization is on the Kardashev Scale, the greater its ability to control entropy and utilize energy efficiently.
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