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+ - The Technology Behind Footballs' Magical Line->

Submitted by adosch
adosch (1397357) writes "The latest lockout antics are ancient history, preseason brawls are over and America's number one sport is back in action. Football uses a lot of interesting technology that we take for granted, and in this article I'll answer the question, how the heck do they get that yellow first-down line on the field?"
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The Technology Behind Footballs' Magical Line

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