What is butterfly effect?

Hello everyone, you all might have seen the movie "Nannaku Prematho", where Subramanyam, a businessman, is on his deathbed when he tells his sons about a cunning man who stole most of his wealth. Hearing this, Abhiram, the youngest son, lays out a plan to seek his revenge.
We all know about the records it established in the TFI and was a big hit in NTR's career.

Though the fans enjoyed the film many of them were a bit confused about some of the logic's that were used by the director, one of them is Butterfly Effect.

The butterfly effect is a concept that states that "small causes can have larger effects".

It is derived from the metaphorical example of the details of a tornado (exact time of formation, exact path taken) being influenced by minor perturbations such as the flapping of the wings of a distant butterfly several weeks earlier.



The butterfly effect is most familiar in terms of weather; it can easily be demonstrated in standard weather prediction models, for example. The climate scientists James Annan and William Connolley explain that chaos is important in the development of weather prediction methods; models are sensitive to initial conditions. They add the caveat: "Of course the existence of an unknown butterfly flapping its wings has no direct bearing on weather forecasts, since it will take far too long for such a small perturbation to grow to a significant size, and we have many more immediate uncertainties to worry about. So the direct impact of this phenomenon on weather prediction is often somewhat overstated."



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Source : https://en.wikipedia.org/wiki/Butterfly_effect  Google