Patterns and Mathematics (Featuring - RON EGLASH's Ted Talk :The fractals at the heart of African Designs)

From ages we have been copying patterns, specially in case of tribals, while making wall paintings to simple "mehndi" designs. Have you ever wondered why this particular design looks good the other doesn't looks good to us?
 And all a sudden you come to know there's mathematics in patterns.

Kaaa - booom ! Then you get lost in thoughts and composing weird patterns !