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Logarithmic spiral — A splendid curve
Authors:Utpal Mukhopadhyay
Institution:(1) 138, Chowdhury Para Road, P.O. Barsat 700124 North 24 Parganas West Bengal, India
Abstract:Due to its various peculiarities, logarithmic spiral drew the attention of mathematicians and was called ‘spiral mirabilis’ by Jacob Bernoulli I. In this article some properties of logarithmic spiral have been described along with the appearance as well as applications of the curve in art and nature.
Keywords:Logarithmic  spiral  Golden ratio  golden rectangles  evolute  pedal  caustic Tombstone theorem
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