When this fixed amount is the golden ratio, (1 + sqrt[5])/2, or 1.6180339887. . . , you get a particular type of logarithmic spiral. Such a logarithmic spiral can be inscribed in a rectangle whose ...

In a logarithmic spiral, this angle, the spiral’s “camming angle,” never varies. In the Archimedean and other types of spirals, the camming angle is not constant. Spirals had a modern-day ...

Logarithmic spirals: patterns created using beams of light Beams of light polarized into spirals have been used by scientists in the UK to create intricate patterns on the surface of metals. This is ...

To avoid this, Tucker concludes, the birds keep their heads straight and follow a path called a logarithmic spiral. That way, they can keep one eye fixed on their prey.

The spirals in horns have even less to do with Fibonacci. The connection with elephant tusks is pretty much non-existent. The spirals of galaxies are not even logarithmic.