The Science Behind The World Cup Ball : NPR
The Cubic Ball of the 2014 FIFA World Cup
The World Cup's Balls, If Flattened, Are Psychedelic Art - Bloomberg
2018 World Cup Soccer Ball — World Cup Soccer Ball History
At least the Brazuca soccer ball is ready for the 2014 FIFA World Cup - Los Angeles Times
NASA says adidas' brazuca ball is better than Jabulani because duh (and science)
From the Tango to the Brazuca via the Jabulani: A brief history of the World Cup ball, The Independent
How the new World Cup ball was designed to not influence the games
Hard Evidence: how will the 2014 World Cup ball swerve?
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