per a google. The NFL has set specific weight and air pressure standards for the balls used in the game. The ball must be inflated between 12.5 to 13.5 pounds per square inch (psi) and must weigh 14 to 15 oz.
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http://vimeo.com/29896988
“Those that can make you believe in absurdities can make you commit atrocities.” Voltaire.
"There is grandeur in this view of life...." Darwin.
The mountains are calling and I must go.
“The earth has music for those who listen”
Shakespeare.
You Matter.
(Until you multiply yourself times the speed of light squared. Then you Energy)
“We’ve got lots of theories, we just don’t have the evidence’.
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