Swiss researchers said Monday they had calculated the mathematical constant pi to a new world-record level of exactitude, hitting 62.8 trillion figures using a supercomputer. "The calculation took 108 days and nine hours" using a supercomputer, the Graubuenden University of Applied Sciences said in a statement. Its efforts were "almost twice as fast as the record Google set using its cloud in 2019, and 3.5 times as fast as the previous world record in 2020", according to the university's Center for Data Analytics, Visualization and Simulation. Researchers are waiting for the Guinness Book of Records to certify their feat, until...