launching things via a mass driver from the moon to the earth requires a lot less fuel, is faster, and cheaper than shipping across the ocean
replyThat one is subsidized by externalizing costs to our lungs.
replyShipping on water has been, by far, the cheapest mode of long-distance shipping since the moment boats were invented. That is to say, since thousands of years before boats were ever powered by the shit that destroys our lungs.
replySo is pace travel. Then rockets are not green!
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