Tuesday, 1 May 2012

Bill and Ted's Excellent Adventure and Butterfly Ripple Effect

Alan suggested this film as an idea of 'looting the past' and bringing forward with them. Referencing the geekness of time travel e.g. the phone box

Alan also suggested the butterfly ripple effect and how one small change in the past can have an impact on the present day (Can't remember the name) here is the origin of the term. Origin of the concept and the term The term "butterfly effect" itself is related to the work of Edward Lorenz, and is based in Chaos Theory and sensitive dependence on initial conditions, first described in the literature by Jacques Hadamard in 1890[1] and popularized by Pierre Duhem's 1906 book. The idea that one butterfly could eventually have a far-reaching ripple effect on subsequent historic events seems first to have appeared in a 1952 short story by Ray Bradbury about time travel (see Literature and print here) although Lorenz made the term popular. In 1961, Lorenz was using a numerical computer model to rerun a weather prediction, when, as a shortcut on a number in the sequence, he entered the decimal .506 instead of entering the full .506127 the computer would hold. The result was a completely different weather scenario. Lorenz published his findings in a 1963 paper for the New York Academy of Sciences noting that "One meteorologist remarked that if the theory were correct, one flap of a seagull's wings could change the course of weather forever." Later speeches and papers by Lorenz used the more poetic butterfly. According to Lorenz, upon failing to provide a title for a talk he was to present at the 139th meeting of the American Association for the Advancement of Science in 1972, Philip Merilees concocted Does the flap of a butterfly’s wings in Brazil set off a tornado in Texas as a title.

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