Every mode of transport that we use – whether it’s planes, trains, automobiles, bikes, horses – is reusable, but not rockets. So we must solve this problem in order to become a space-faring civilization.
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Every mode of transport that we use – whether it’s planes, trains, automobiles, bikes, horses – is reusable, but not rockets. So we must solve this problem in order to become a space-faring civilization.
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