Scientists in Japan say the Brazuca 2014 World Cup ball will be less erratic than the Jabulani used at South Africa 2010. The Brazuca is the 12th World Cup match ball designed by Adidas. The Jabulani was criticized for its light weight and unpredictability.

PDF) A comparison of Jabulani and Brazuca non-spin aerodynamics

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Brazuca ball less erratic than the Jabulani used at South Africa