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But (as usual), this is out of reach because of cost, which is to say the cost of things, which is to say, in large measure, the cost of making things. We're still very bad at that. Words and ideas I offer here may be used freely and without attribution.
Could you bring more on that? I have the faint memory of there being some upper limit to maglev speed, which is under that of pneumatic tube railway, but maybe it was only due to air drag. *Lunatic*, n. One whose delusions are out of fashion.
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