Solution to goal-line technology debate? Sandpit behind the line. If the ball is in, it will stop dead and won't bounce. Simple.
How about we just make the goal a hoop, with a board behind it so we can be sure the ball has gone i.... Oh ****.
All you need is a microchip placed in the ball and a sensor placed on one or both of the uprights...As Bart says, it works in ice hockey so why not football..