World Cup ball [Brazuca] will be on target The smoother a ball, the more drag and other "unsteady" aerodynamic forces it experiences while travelling through the air, whereas a rougher ball surface, created by panel seams, for example, caused the opposite behaviour, he explained. The seams on Brazuca, said Choppin, are deeper thereby creating more surface roughness. The research team said they have shown that a ball's characteristics can be used to predict its trajectory, which may be useful for coaching and design. And while predictability of a ball is good for long, running passes and goalkeepers, not everyone may be happy with Brazuca's steady-does-it features. Some strikers prefer a ball to dip and swerve, as it helps them confound the keeper.
Adidas Brazuca – Your Complete Guide to the 2014 World Cup Ball The World Cup 2014 ball, the Brazuca, is the twelfth incarnation of Adidas’ footballs created for the world’s biggest footballing event. Colourful, exotic and a technological marvel for the industry, the Brazuca has delighted players in training, had fans clamouring for their own replica, and is set to be the most popular World Cup ball yet, with a tournament held in South America deserving of a ball to stand the test of time.