adosch 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?
The only possible interpretation of any research whatever in the `social
sciences' is: some do, some don't.
-- Ernest Rutherford