World Cup: This year's special Al Rihla ball has the aerodynamics
NASA Scientists Test the World Cup Soccer Ball
NASA Turns World Cup into Lesson in Aerodynamics - NASA
Adidas Jabulani, Teamgiest and Fevernova balls
Adidas Shoots -- and Misses -- With New World Cup Ball
The Science Behind The World Cup Ball : NPR
The World Cup ball tackles a wind tunnel - Video - CNET
World Cup ball – DW – 06/09/2010
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