Wilson worker Lindsey Kiene cuts leaf-shaped panels that are tapered at both ends. These will be sewn together to make the iconic oblong shape of the football, a key feature that reduces the ball’s wake and drag.
2024-09-05 738词 中等
That the design from a century ago still perfectly suits the needs of today’s sport is a kind of “historical accident,” says Dr. Rabindra Mehta, chief of the experimental aero-physics branch at NASA Ames Research Center. “Compared to a baseball, a football is a more aerodynamic shape by design.”
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