The Parthenon in Athens, the Great Pyramid in Giza, and Da Vinci's "Mona Lisa" all incorporate rectangles whose dimensions are said to be based on the golden ratio. The essential part is that as ...

Or the Golden Ratio? Or the Golden Spiral ... Examples can be found in the works of Leonardo da Vinci and Salvador Dali. Listening for the Fibonacci sequence in music Fibonacci didn’t actually ...