That, in a nutshell, is the conceptual foundation of modern GPS. That GPS receiver in your phone or on the dash of your car learns its location, rate of speed, and elevation by measuring the time ...

Most modern technology, including smartphones, runs on GPS. But the system might be more vulnerable to failures than you think. The U.S. lacks backup geolocation technology, meaning outages or ...

A group of California artists are developing a GPS-enabled cellphone to help dehydrated illegal migrants find water - and regale them with poetry - as they trek through harsh deserts into the ...

Finding your way home should no longer be a problem with all the GPS devices on the market ... to pinpoint locations and directions. Modern units can come with iPod interfacing, 3-D layouts ...