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May 16, 2012 07:44 pm PDT
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/CWYqpzj_4Mc/global-subway-systems-converge.html
Global subway systems converge on common topologies
A paywalled paper in the Royal Society's journal Interface argues that the world's underground rail systems are all converging on an "ideal" form. The paper, "A long-time limit for world subway networks," shows that subway systems grow "organically," in response to the needs expressed by the cities above them over the course of decades, and [...]Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/CWYqpzj_4Mc/global-subway-systems-converge.html
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