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2010 World Cup's biggest star may be the Jabulani

By

June 9, 2010

The Adidas Jabulani, official ball of the 2010 FIFA World Cup (Photo: University of Adelai...

The Adidas Jabulani, official ball of the 2010 FIFA World Cup (Photo: University of Adelaide)

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Professor Derek Leinweber has been studying soccer balls. He’s interested in the physics behind them, and is particularly intrigued by the design of the official ball for the 2010 FIFA World Cup South Africa, the Adidas Jabulani. He thinks it will behave in a much different fashion than the previous World Cup ball, throwing goalkeepers for a loop - all because of the ridges on its skin.

Governing body FIFA has strict regulations on the size and weight of balls, but none regarding their outside surface. This means that the skin is where Adidas has been concentrating its efforts at making better soccer balls. The Jabulani’s “grip’n’groove” ridges are designed both for improved grip, and for better control. Leinweber, who heads the School of Chemistry and Physics at the University of Adelaide in Australia, believes that they will create turbulence around the ball, resulting in longer flights. Given that it is also a relatively small, heavy ball (within FIFA guidelines), it should make for faster, harder play.

Adidas’ previous World Cup ball, the Teamgeist, had a freakishly smooth skin. This apparently caused it to bend more than a conventional ball, and to drop more rapidly at the end of its trajectory. Ironically, the Jabulani should also prove to be a bender, perhaps more so than anything that has come before it.

The Adidas Jabulani, official ball of the 2010 FIFA World Cup (Photo: FIFA)

“Players are also discovering new opportunities to move the ball in erratic ways, alarming the world's best goalkeepers,” said Leinweber. “By the time the ball reaches the goalkeeper, the Jabulani will have swerved and dipped, arriving with more power and energy than the Teamgeist.”

This marks the eleventh time Adidas has produced an official ball for the FIFA World Cup. And in case you’re curious, Jabulani means “to celebrate” in isiZulu

About the Author
Ben Coxworth An experienced freelance writer, videographer and television producer, Ben's interest in all forms of innovation is particularly fanatical when it comes to human-powered transportation, film-making gear, environmentally-friendly technologies and anything that's designed to go underwater. He lives in Edmonton, Alberta, where he spends a lot of time going over the handlebars of his mountain bike, hanging out in off-leash parks, and wishing the Pacific Ocean wasn't so far away.   All articles by Ben Coxworth
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2 Comments

Why did they call it Jabulani instead of giving it a Chinese or Pakistanese name? Since that is where the balls are made, not in South Africa.

Peter Jacops
11th June, 2010 @ 12:22 am PDT

Peter, could the name have anything to do with the fact that the World Cup is being played in South Africa?

windykites1
11th June, 2010 @ 03:31 pm PDT
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