Displaying 2 results for TimekeepingX How Do We Know Exactly When the New Year Begins? Like many Americans, I'm traveling across time zones for the holidays, going to California to celebrate Christmas with family and then flying back to... TimekeepingTechnologyTransportation Invention, Time, and Navigation It may not seem obvious, but if you want to know where you are, you need an accurate clock. This was true in the 18th century, when mariners first... TimekeepingTechnologyWater TravelTransportationRoboticsSurveying and Navigating
