By Josiah Kariuki At first glance, a Global Positioning System (GPS) tracker doesn’t look like much—small, tough, easy to ignore. It can sit under a car seat, inside a shipment box, or clipped to a backpack without drawing attention. But inside that modest casing is a tightly choreographed system that turns invisible satellite signals into […]

By Nyang’au Araka and Agencies Gladys West, a pioneering mathematician whose contributions helped make modern GPS possible, has passed away at 95, surrounded by family and friends. West’s mathematical models of the Earth’s shape became a critical foundation for satellite navigation, allowing precise positioning anywhere on the globe. Her work helps guide everything from airplanes […]