Scientists discovered a new series for pi through string theory research, echoing a 15th-century formula by Madhava. By combining Euler-Beta Functions and Feynman Diagrams, they modeled particle interactions efficiently. Credit: SciTechDaily.comResearchers found a new series representation for pi while exploring string theory and particle interactions.Their formula is similar to one by Madhava in the 15th century. Combining the Euler-Beta Function and Feynman Diagram, they created an efficient m...