When former President Clinton declassified the global positioning system, also known as GPS, it opened the door for citizen use of the satellite navigation network. As Ken Shulman reports, a new sport called geocaching has sent both outdoor enthusiasts and techno-geeks on treasure hunting adventures using handheld GPS devices.
When former President Clinton declassified the global positioning system, also known as GPS, it opened the door for citizen use of the satellite navigation network. As Ken Shulman reports, a new sport called geocaching has sent both outdoor enthusiasts and techno-geeks on treasure hunting adventures using handheld GPS devices.