Spiral

A spiral is a curve formed by a point revolving around a fixed axis at an ever-increasing distance. It can be defined by a mathematical function which relates the distance of a point from its origin to the angle at which it is rotated. Some common spirals include the spiral of This famed spiral staircase in the Loretto Chapel (Chapel of Our Lady of Light) in Santa Fe, New Mexico, has no central support. Photograph by G.R. Gainer. Stock Market. Reproduced by permission. Archimedes and the hyperbolic spiral. Another type of spiral, called a logarithmic spiral, is found in many instances in nature.