Official World Cup game ball in NASA wind tunnel

MOUNTAIN VIEW, Calif. (CNN/Jim Castell) — A Brazuka soccer ball sits in a wind tunnel at NASA’s Ames Fluid Mechanics Laboratory in Mountain View, Calif.

Rabi Mehta, an aerospace engineer with NASA, ran some aerodynamic tests after players complained about the ball’s tendency to knuckle when they tried to kick it straight. provides commenting to allow for constructive discussion on the stories we cover. In order to comment here, you acknowledge you have read and agreed to our Terms of Service. Users who violate these terms, including use of vulgar language or racial slurs, will be banned. Please be respectful of the opinions of others. If you see an inappropriate comment, please flag it for our moderators to review.

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