Brady Numbers

Alex Bellos discusses how the Incans used knots in string (Quipu) to record numbers.Check out Brilliant (get 20% off their premium service): https://brillian...

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Part One of Golden Ratio Trilogy

The new "Brady Sequence" demonstrates why Fibonacci Numbers are not so special. Featuring Matt Parker.
Next in the trilogy: http://youtu.be/dTWKKvlZB08
Matt's signed book (& extra goodies): http://bit.ly/Matt_Signed
Amazon (UK): http://bit.ly/Matt_4D_UK
Amazon (US): http://bit.ly/Matt_4D_US

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All links to videos in this four-part trilogy:
Brady Numbers: http://youtu.be/D8ntDpBm6Ok
Proof: http://youtu.be/dTWKKvlZB08
Lucas Numbers: http://youtu.be/PeUbRXnbmms
Extra bit: http://youtu.be/bTxiS28M41c