People use GPS extensively every day, but not many people know how it actually works. How can a smartphone know where you are, to the point you can use it as accurate directions while you drive? Let’s open the hood on GPS and see how it works. Related: It’s Not Just GPS: We Have Six Global Navigation Satellite Systems, and They’re Getting Better How GPS Finds You Let’s say you’re hiking in the woods when you get lost. That’s alright, though: you had the smarts to download the official app for these woods. The app claims to help you find your way, no matter where… Read more