We tested the new World Cup ball – this is what you need to know about how it will fly, dip and swerve
- Written by John Eric Goff, Visiting Assistant Professor, Physics, University of Puget Sound
Small variations in the ball can influence how it behaves once it leaves the foot.Robbie Jay Barratt/AMA/Getty ImagesEvery four years, the men’s World Cup delivers some certainties. The pitch dimensions are tightly regulated, offside is signaled with a flag, and referees end the match with a blast of a whistle. But one key piece of equipment...




