Golden mean (philosophy)
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The golden mean or golden middle way is the desirable middle between two extremes, one of excess and the other of deficiency. It appeared in Greek at least as early as the Delphic maxim "nothing in ex
An allegory of the golden mean: a figure of moderation and prosperity between one of prodigality and another of miserliness
Golden ratio
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In mathematics, 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. Expressed algebraically, for quantities a and b with a
Golden mean (philosophy)
…Doctrine of the Mean (Confucian analog) Golden ratio (golden mean applied to aesthetics, mathematics, geometry) Mathematical optimization…
Michael Maestlin, the first to write a decimal approximation of the ratio
Dan Shechtman demonstrates quasicrystals at the NIST in 1985 using a Zometoy model.
Da Vinci's illustration of a dodecahedron from Pacioli's Divina proportione (1509)
Detail of the saucer plant, Aeonium tabuliforme, showing the multiple spiral arrangement (parastichy)