GPS devices also have to account for relativity [2], so programmers working on those also have to factor that into the logic.
[1] http://www.telegraph.co.uk/news/science/science-news/8905322...
[2] http://physics.stackexchange.com/questions/1061/why-does-gps...
GPS devices also have to account for relativity [2], so programmers working on those also have to factor that into the logic.
[1] http://www.telegraph.co.uk/news/science/science-news/8905322...
[2] http://physics.stackexchange.com/questions/1061/why-does-gps...