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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
imageSmall variations in the ball can influence how it behaves once it leaves the foot.Robbie Jay Barratt/AMA/Getty Images

Every 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...

Read more: We tested the new World Cup ball – this is what you need to know about how it will fly, dip and...

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