Steelers TD 2 Feet Down?

[3kings]

Originally Posted by docicu3

Basically a variation of my laser post. What's bizzare is that tennis has this conquered with results in less than 10 seconds with the little ball and line computer thing but the NFL billion dollar machine can't get replay right to the satisfaction of any.

How will the laser see through bodies etc... It works in tennis because there is nothing blocking the view. In football thare are torsos, arms, legs. other players etc....I think there are issues not covered by a laser.