A 20-year-old Indian student has made headlines by winning the Memory League World Championship, an intense online competition where participants compete in rapid memorisation challenges. Vishvaa Rajakumar, a student at Manakula Vinayagar Institute of Technology in Puducherry, stunned competitors by memorising 80 random digits in just 13.50 seconds. WHAT IS THIS MEMORY CHALLENGE Memory League World Championship tests participants in …