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Stick some photovoltaics on some sun facing surface - the struts at least -and beam energy back to earth for some stable base-load supply.
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Stanislaw Lem: "...narrow specialization decreases homeostatic equilibrium. Civilizations immune to perturbations of stellar nature but not to epidemics would become crippled; exposed to threats proportional to the size of those civilizations’ one-dimensional character." 1/2
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