Speeding down a highway or steering through the city lanes, if you tap your smartphone or in-car navigation device to locate a fuelling station, ATM, McDonald’s, or the good old dhaba, the one service you rely on is the global positioning system (GPS).
This stable clock in space is a set of satellites that beam radio signals to receivers on earth. Without it, flights cannot operate, communication networks won’t function, drones can’t fly, nor can bombs be dropped.
In short, this dual-use technology is the global utility that the world has come to rely upon.
Read more
No comments:
Post a Comment
Note: only a member of this blog may post a comment.