A Knuckleball No More: World Cup Soccer Ball Gets A Redesign

John Eric Goff, the chair of the physics department at Lynchburg College, explains the science of the 2014 World Cup soccer ball.

Source: http://www.npr.org/2014/04/22/305960164/a-knuckleball-no-more-world-cup-soccer-ball-gets-a-redesign?ft=1&f=1007

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