In 1209 in Pisa, LeonardoofPisano, also known as "Fibonacci, " used his skills to answeramathpuzzle about how fastrabbits could reproducein pairsover a period of time.
The principles behind the new design follow the Fibonacci mathematical sequence discovered by Leonardo da Pisa in the 13th Century and echo the spirals at the centre of a sunflower or pine cone.