Or maybe the ball suddenly changes speed, dropping out of the air and causing accidental handballs, like the 2010 Jabulani. Every four years there’s a new ball for the World Cup—and every four ...

We found that the depth of the Jabulani's seams is around 0.48 mm, while the new Brazuca football has seams 1.56 mm deep - more than three times deeper.

The design of the 2010 FIFA World Cup's official soccer ball could cause it to behave differently than any ball that has come before it. Professor Derek Leinweber has been studying soccer balls.

The official match ball of World Cup 2014, the Brazuca is seen as a significant upgrade over the "Jabulani" ball used in South Africa in 2010, which would often change direction in midair.

The Jabulani World Cup ball. Courtesy of Adidas.It was the goal heard around the world on Saturday when England’s net-minder Robert Green let a tame shot by U.S.A.’s Clint Dempsey slip through ...

The Jabulani ball designed by Adidas as the official 2010 World Cup match ball boasted several design innovations but met with heavy player criticism.

If a grooved World Cup ball can upset some of the game's best players, how would they react to a ball packed with cameras, lights and a GPS chip? Jabulani ball too low-tech for Mexican designers ...

Hit it and hope seemed to be the best tactic for long-range shots with the Jabulani World Cup ball, with forwards and goalkeepers alike expressing concern at what they saw as its strange and ...

That is exactly what happened in 2006, and has happened again with Adidas’s new Jabulani ball, ... Brace yourself for another storm over ball design at the 2014 World Cup.

The lead developer of the Jabulani, the ball that will be used in the World Cup, has hit back at his noisy critics. Dr. Andy Harland, who helped design the ball at England's Loughborough ...

The graphic design is different, though, as it's inspired by the 1998 Tricolore ball. The ball used in official matches is designed every four years by Adidas for the men's World Cup and it ...