The Science Behind The World Cup Ball
For every World Cup, there's a custom official ball. But how does the Telstar 18 actually stack up? To find out, scientists stuck it in a wind tunnel with a bunch of sensors.
Each World Cup, the sportswear giant Adidas designs an official ball to be used in the tournament.
And small changes in the design can create significant differences in how the ball responds during play.
"It's an interesting phenomena that the world's most popular sporting event for the world's most popular sport and the most important piece of equipment in that sport is changed, a physics professor at Lynchburg College in Virginia.
