Physicist examines how World Cup ball challenges goalkeepers

Purdue University physicist John Goff discussed the newly designed Trionda ball used in the World Cup. This year, scoring has increased significantly, leading to a record 177 goals in just 59 matches. Goff attributes the ball's unique grooves and technology, including an embedded chip for tracking, as factors contributing to the difficulties goalkeepers face. Previous designs have evolved, with recent adjustments aimed at improving stability during flight. The impact of these changes continues to be analyzed as the tournament progresses.

• 4:40 PMYahoo Sports — A Physicist Explains Why the World Cup Ball Is ‘Flummoxing’ Goalies