Gadgetory

one goal can be the difference between winning and losing and when you get down to it that goal can be determined by mere inches for instance the balls here not a goal you know if any part of the ball is still touching the line it's not you've got to be able to see the green on the other side and with the linemen so far away it can be really hard to tell if that ball actually crosses the line especially if it's in the air to eliminate any guesswork for referees for the first time at the World Cup FIFA will be using goal line technology at each match there's been so many times over the past handful of years that balls you know have been called in and they're not completely over the line and vice versa balls that you know they've called no goal and it's it's actually gone in here's how gold controls 4d system works 14 cameras are mounted above the field seven at each goal they track the ball as it flies through the air in real time if it crosses the goal line the software program transmits a signal to the referees watched within a second it claims to be accurate down to five millimeters and it's encrypted to prevent hacking as a forward it kind of kind of against it because I mean it could take away from some goals that may or may not have been in but I think overall for the game I think it's a good it's a good thing that's the biggest stage and there's just so much on the line that you know just clear up those decisions soccer enthusiasts hope the technology doesn't change the spirit of the game I think that the argument is is just affecting the purity of the game and the flow of the game there's so much at stake especially at the highest levels but accuracy comes at a price goal control system costs around four hundred thousand dollars to install in each Stadium in San Francisco I'm Kara Tsuboi cnet.com for CBS News