Golden Ratio and Fibonacci Numbers (extra bit)

Part Four (?) of Golden Ratio Trilogy A little extra bit from Matt on the Golden Ratio and Fibonacci Numbers. Matt's signed book (& extra goodies): http://bit.ly/Matt_Signed Amazon (US): http://bit.ly/Matt_4D_US Amazon (UK): http://bit.ly/Matt_4D_UK All links to videos in this four-part trilogy: Brady Numbers:    • Brady Numbers - Numberphile   Proof:    • Golden Proof - Numberphile   Lucas Numbers:    • Lucas Numbers - Numberphile   Extra bit:    • Golden Ratio and Fibonacci Numbers (extra ...   NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook:   / numberphile   Numberphile tweets:   / numberphile   Google Plus: http://bit.ly/numberGplus Tumblr:   / numberphile   Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile Videos by Brady Haran Support us on Patreon:   / numberphile   Brady's videos subreddit:   / bradyharan   A run-down of Brady's channels: http://www.bradyharan.com Thumbnail caricature of Fibonacci by Knut Johannes Håland