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> But it's never going to come close

never? I doubt that.

Technology will improve over time. Eventually I bet it will become cheaper.

Have you tried building in the U.S.? Why do you think it's so expensive to build in the U.S.? It's due to regulation and red tape.

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The United States is relatively expensive because the world's cash reserves are priced in USD, and a large fraction of the eastern Eurasian continent lives inside a work camp.

The old Chicago School boogeymen of unions, regulations, and red tape are effectors, but they're a pimple on the back of the world-mutating effects of seven-some decades of USD Seigniorage.

I imagine we're going to be living through the reverse of this Seigniorage experiment quite soon.

Technology improves, but the laws of physics are constant and absolute (on human timescales).

Thermodynamics says no today, no tomorrow, and no 100 years from now. That's not ever going to change.

What was it the 27th law that says radiating heat in to space does not work? I'm skeptical of the whole thing too, but it's not an impossible engineering challenge, just an expensive one.

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