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Heads it's zero

作者:达嘲阒    发布时间:2019-02-26 10:09:05    

PLENTY of science depends on the toss of a coin – from the simulation of particle scattering to modelling traffic flow. But the results might be wrong if scientists unwittingly chose a biased coin, warn Stephan Mertens and Heiko Bauke at the University of Magdeburg, Germany. Scientists do not throw real coins, but rely instead on computers to generate random numbers that are meant to behave in the same way. Certain programs, however, throw out more heads than tails. “The problems with some random number generators have been known for years,” but only through trial and error,

 

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