Hank introduces us to the most beautiful numbers in nature – the Fibonacci sequence.
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Vi Hart’s Fibonacci series starts here: http://www.youtube.com/watch?v=ahXIMUkSXX0
References:
http://mathdude.quickanddirtytips.com/what-is-the-fibonacci-sequence.aspx
http://mathdude.quickanddirtytips.com/what-is-the-golden-ratio.aspx
http://www.maths.surrey.ac.uk/hosted-sites/R.Knott/Fibonacci/fibnat.html
http://thesavoia.com/2012/06/04/the-golden-ratio-in-flowers/