A few years ago it was fashionable for people, wanting to sound familiar with the then-new theory in mathematics and physics called the “Chaos” theory, to talk about how a butterfly flapping its wings in Brazil could be the cause of a tornado in Texas. This was not really a serious thought but rather an attempt by some to explain a complex theory for laymen – the theory being that small changes in initial conditions could result in large changes far removed in time and space, and weathe ...