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[–] 23 points 5 months ago (5 children)
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  • [–] 18 points 5 months ago (3 children)

    That's literally the answer though. They used electricity to process aluminum in a new way and much much much more cheaply than was possible before.

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  • [–] 13 points 5 months ago (2 children)

    No yeah I wasn't kidding. I genuinely understand now

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