GPS

Most of us make frequent use of GPS technology to find our way around in our cars. There are increasing numbers of self-driving cars, and they are even more dependent on GPS technology in order to know where they are located. We tend to take for granted that the position shown by the GPS system is correct, but that isn’t always the case.

On September 21, the Saratoga Performing Arts Center will present Ellen Reid SOUNDWALK, a GPS-enabled work of public art in the Saratoga Spa State Park…