As @alon_levy has pointed out many times, Spain and Korea (among others) have already figured out how to tunnel for an order of magnitude cheaper than the US pays. We don’t need @elonmusk to reinvent the earth pressure balance machinehttps://twitter.com/elonmusk/status/943882440984223747 …
I have to admit that I am personally absolutely clueless wrt the economics an technology of tunneling, so my opinion is worthless. I just have the intuition that Elon Musk is smart and capable enough to buy and create more cognition on it than Spain.
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Indeed you are clueless then. Spain is the world’s civil engineering leader, they’ve proven themselves far more times than Elon Musk has in this field.
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I am genuinely curious: in your view, how would you quantify the probability that you know more about tunneling and possible business cases than Elon Musk's company at this point? I wonder how much of your position is driven by deep expertise and how much by being annoyed?
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Southern Europe is actually better at civil infrastructure construction than (say) Germany. I constantly have to well-actually people on it.
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It's easy for Americans to accept that infrastructure construction is cheaper in Germany; much harder to accept that it's cheaper in Spain.
End of conversation
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