2010 World Cup's biggest star may be the Jabulani

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.

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