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The EU's emerging high-speed networkS | 136 comments (135 topical, 1 editorial, 0 hidden)
Re: The EU's emerging high-speed networkS (4.00 / 2)
If the tunnel has a positive buoyancy greater than the weight of the train, then the only variation in up and down will be due to the modulus of elasticity of the anchors.  The same principle in reverse makes suspension bridges work.
by njh on Sun Dec 20th, 2009 at 05:25:17 PM EST
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The EU's emerging high-speed networkS | 136 comments (135 topical, 1 editorial, 0 hidden)
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