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I never said it's impossible, I think it's a much bigger problem than building a machine to build the tunnel walls.
by ye 13y ago
I never said it's impossible, I think it's a much bigger problem than building a machine to build the tunnel walls.
- ricardobeat 13y agoHow is it a bigger problem if it has already been solved today? The original paper attempts to deal with all of these problems, pressure, safety, land rights, it's a very interesting read.
- ye 13y agoFirst of all, it hasn't been solved in the US, and not for these speeds, which are at least double of the fastest bullet train in the world.