Ramanujan’s century-old Pi formula that hides the secrets of the universe

A new study reveals that Srinivasa Ramanujan’s century-old formulas for calculating pi are emerging in unexpected ways in modern theories of critical phenomena, turbulence and black holes. At school, many of us first encounter the irrational number π (pi) – rounded to 3.14, with an infinite number of decimal digits – when we learn how a circle […]