>I suspect such trains will only be practical in the 'real' world by having them in some sort of fully enclosed track. Reminds me of something[1]... :-) [1] h

>I suspect such trains will only be practical in the 'real' world by having them in some sort of fully enclosed track. Reminds me of something[1]... :-) [1] http://en.wikipedia.org/wiki/Hyperloop http://en.wikipedia.org/wiki/Hyperloop