As most school children know, pi as an infinite number that plays a crucial role in calculations for circular or spherical objects. But the irrational number can be found all around us, from the human DNA and the larger cosmos to the way a river snakes its way to the sea.

Its mysteries are tough to crack. Did we invent pi? Or does it just happen to exist everywhere? Why can't we replace it with any other constant? And, more importantly, what is the purpose of this number?



This is the latest episode of The Intersection, a fortnightly podcast on Audiomatic. For more such podcasts visit audiomatic.in.