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Re:SpaceX: “Close, but no cigar. This time” by schiffern on Friday January 16, 2015 @10:43PM (#8903307)
>allowing the tubing to move sideways a bit in a long curve

I hadn't considered this strategy! Using the curves as a geometric asset instead of a liability makes a lot of sense.

What do you mean by the 'paper tigers'?

Re:SpaceX: “Close, but no cigar. This time” by jacquesm on Friday January 16, 2015 @11:05PM (#8903370)
> What do you mean by the 'paper tigers'?

Right-of-way issues, liability. America loves its paperwork and setting up a new very large chunk of unproven infrastructure is going to be a total headache from a paper point of view.

Hyperloop has all the drawbacks of high speed rail and has unproven tech on top of that. It'll be a legal feeding frenzy.