By A Mystery Man Writer
Bizarre photo reveals high-tech World Cup footballs need to be charged up before being used in games
Inside Brazuca: Science reveals hidden properties of the World Cup ball - The Globe and Mail
Adidas May Have Finally Made a Sleek, Streamlined Soccer Ball That Players Can Live With, Smart News
Brazuca: the 2014 Brazil World Cup ball unveiled by Adidas, World Cup 2014
Football Brazuca FIFA World Cup 2014 Brazil Soccer Ball Size 5 Soccer Gift
World Cup’s New Brazuca Match Ball Will Be a Hit
Camera-Loaded Soccer Balls : brazuca soccer ball
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Adidas unveils Brazuca ball for World Cup in Brazil