# TED Conversations

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## Phi or the golden ratio

For, about 2400 years, humans are fascinated with the number Phi which is calculated as (1+ square root of 5) divided by 2 giving us the result of 1.61803...
Not only is this ratio often used in art, architecture and design, but is also seems to be a common ratio in nature.
What do you think, is the occurrence of the golden ratio in nature just a coincidence or is there more to it ?
If so, what could explain that that this ratio is so common in nature ?

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• #### Samuel Warren

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Nov 9 2013: I'm glad you asked Harald, Artur Benjamin is a mathmagician and a genius. Coincidentally, TED just published a fresh Talk today. He mentions The Golden Ratio, maybe that only adds to the allure of the ratio and its meaningfulness.
Check it out if ya can,
http://www.ted.com/talks/arthur_benjamin_the_magic_of_fibonacci_numbers.html

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