Reaching level 1 on the Kardashev scale means storing and using all the energy that the earth gets from the sun. We will reach this when we increase our energy production about a million-fold. Can we ever get there? Will we need to hollow out the earth and use all the asteroids around?
What will happen if we do not reach it? Will we fall back to stone age energy levels, or is there a middle way?
What...
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