A robot army to build solar panels (on the moon)

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Alternative energy is the obvious choice, but scaling up is hard. It would take an area the size of Nevada covered in solar panels to get enough energy to power the planet, says Justin Lewis-Weber, “and to me, that’s just not feasible.” This past March, Lewis-Weber, a then-high school senior in California, came up with a radical plan: self-replicating solar panels—on the moon. Continue reading “A robot army to build solar panels (on the moon)”

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