by editors@theworld.org (Dina Temple-Raston) on (#6N61D)
GPS isn't just for finding your way while hiking. Clocks synchronized to GPS also keep lots of industrial systems going. A Cisco engineer dreamed up a special switch the size of a pizza box that allows Ukraine to keep the lights on even when Russia jams GPS signals, and that's allowing Ukraine to keep plants running. From the podcast "Click Here," Dina Temple-Raston explains.