In the 12th century, Leonardo Bonacci (a.k.a. Leonardo of Pisa, Leonardo Pisano Bigollo, Leonardo Fibonacci) wrote in Liber
Abaci of a simple numerical sequence that is the foundation for an
incredible mathematical relationship behind phi. This sequence was
known as early as the 6th century AD by Indian mathematicians, but it
was Fibonacci who introduced it to the west after his travels throughout
the Mediterranean world and North Africa.
Starting with 0 and 1, each new number in the sequence is simply the sum of the two before it.
Starting with 0 and 1, each new number in the sequence is simply the sum of the two before it.
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, ...
The
ratio of each successive pair of numbers in the sequence approximates
phi (1.618...), as 5 divided by 3 is 1.666..., and 8 divided by 5 is
1.60.
No need to get overly stressed-out with mathematics, irrational numbers and such. Soak in some visual goodness;
The Golden Ratio in Nature by Cristobal Vila:
Fibonacci, PHI, World's most mysterious number, Golden number (crap resolution, but highly educational):
I intend to highlight Mr. Da Vinci in another entry, but I couldn't resist Lisa when it came to this topic.
More food for thought;
15 Uncanny examples of the Golden Ratio in Nature:
Nature, The Golden Ratio, and Fibonacci too:
Wiki goodness:
Super math nuts only:
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