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A comment on Physicist Richard Feynman explains how a train stays on the tracks.. Parent comment

Re:Physicist Richard Feynman explains how a train stays on t... by TrevorJ on Monday June 29, 2009 @12:43AM (#678507)
What I don't get is how the train rounds a variety of curve radii. How do they control the part of the wheel that is riding the rail precisely enough to allow the train to turn at differing angles depending on the radius of the curve?
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Re:Physicist Richard Feynman explains how a train stays on t... by TrevorJ on Monday June 29, 2009 @09:20AM (#678885)
Hmm, sorry for the double post, not sure what happened there.
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