West's work on modeling the Earth's shape assisted with the development of GPS, today used by an estimated 4 billion people.

Solar storms are fading, but spring planting may still face GPS disruptions that threaten timing, yields and ...

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Now that phones and smartwatches feature navigation software, you no longer need a bike computer, right? Think again. A bike-mounted computer lets you easily access data and maps in real time. Gaze ...