The Golden Ratio (GR), often denoted by the Greek letter phi (Φ), is a mathematical ratio commonly found in nature, art, and architecture. This irrational number, approximately equal to 1.618, has ...
Pine cones. Stock-market quotations. Sunflowers. Classical architecture. Reproduction of bees. Roman poetry. What do they have in common? In one way or another, these and many more creations of nature ...