I grew up marveling at the intricate patterns of Muggu that my mother used to draw in front of our house.  These beautiful, abstract designs are drawn using rice flour in front of the houses and are called Muggu in Telugu, Kolam in Tamil and Rangoli is most parts of North India.  I am not so much interested in the social or religious reasons but am curious about cognitive and mathematical angles to this practice.

Very often, I have noticed simple women, who may never have gone to school, draw the muggu with a single, continuous movement of the fingers. There is something special in the way these patterns are drawn particularly in South India. One first puts a grid of dots taking the rice flour between the thumb and index finger, then…



Source by Aruna