However, American football is unique in that the field exists independently of the ball. That is to say ... Cola fields or blue Chase bank fields. images from Joel Rottman’s “slingshot ...

It needs to be more accurate. For now, it can track a ball on a football field within about two feet of its actual location. For the system to be useful to umpires and game-watchers, it needs to ...

However, American football is unique in that the field exists independently of the ball. That is to say ... Cola fields or blue Chase bank fields. images from Joel Rottman’s “slingshot ...