Ever wonder why you stand at a bus-stop, sometimes up to 20 minutes, only to see two of the same buses right behind each other? It's called bus-bunching, and it's nothing new, caused by anything from human error to weather to traffic. But researchers recently applied a math theorem to bus scheduling, predicting the long-term behavior of the drivers and setting up a guidance system for them to follow. What results is a hands-off, no schedule, very regular and timely bus system that works it out so busses are always evenly spaced. Check it out...
http://lightyears.blogs.cnn.com/2012/05/16/waiting-for-a-bus-math-may-help/
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