Kardashev Scale
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Scale of civilization's energy usage. The Earth is nowhere near tapping all of its available energy resources.
Kardashev Scale = 1 means that people on Earth are using all the energy that comes from the sun.
Type = 2 means we harness all the energy of a star, such as the Sun. We would need to encircle the sun, such as a swarm of orbits like the Dyson Sphere
Literature
- Currently, we are Kardashev 0.7 or so, where 0.7 means 0.7%. Not. It is (Log of Power used-6)/10, meaning 1 is at 10^16 Watts. We are currently at about E13 watts, or 1000 times less. So this is an absolute scale, not relative to earth's total use. But this absolute scale is close to the real scale of total earthly use. [1]. Projections state that it will take milennia to reach 1, even with fusion on earth.