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An engineer of German Cairos Technologies shoots an Adidas Pelias 2 soccer ball with a micro-chip inside during a test at National Stadium in Lima, September 13, 2005. FIFA will experiment with
Physicists test aerodynamics of soccer ball types prior to World Cup (w/ Video)
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FIFA Sets a Standard for Football/Soccer – Balls.com – Index of Balls used in Sporting Games and Events
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Footballs used for the test and their panel orientations: Pelada A and... | Download Scientific Diagram
Soccer balls used for the test and their panel orientations. (a, b)... | Download Scientific Diagram
adidas unveils the match ball for the 2006 FIFA World Cup™ - tested at Loughborough Universitys' warns Loughborough University professor
adidas reveals the first FIFA World Cup™ official match ball featuring connected ball technology
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Brazuca: Secrets of the new World Cup ball - BBC News
Adidas Sneakers, Soccer Balls to Be Tested in Space – WWD