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If they can turn it into light why not turn it into energy to be used?
If I had to guess, maybe they had a surplus of energy and needed some way to dissipate excess energy. I read the book years ago though, so I don't really remember.
If they can turn it into light why not turn it into energy to be used?
If I had to guess, maybe they had a surplus of energy and needed some way to dissipate excess energy. I read the book years ago though, so I don't really remember.