Golden Ratio
Plasticity
The golden ratio was first defined by Euclid in ancient Greece. Two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities, meaning that the larger quantity is 1.618 times the smaller quantity.
The golden ratio is a measure that can be found all over in nature and our lives. We can find it when looking at the arrangement of branches along stems of plants, and of veins in leaves. The mathematician Jacob Bernoulli investigated an appearance of a logarithmic spiral that, when it is in golden ratio, he called Spira mirabilis, “the marvelous spiral.” It can be found in shells and other plants, such as in the arrangement of artichoke leaves.
The golden ratio ...
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