Throughout history, explorers have pushed the boundaries of the known world, chasing maps into the blank spaces and daring to go where no one else had. Whether they were crossing oceans, scaling ...

"If you want to know where you are, you need a good clock. This surprising connection between time and place has been true for centuries and is now being explored in Time and Navigation: The Untold ...

Acknowledgments -- Introduction: Point of departure -- First Quadrant: Geodesy: -- 1: Earth and its orbit -- 2: Shaping the Earth -- Second Quadrant: Cartography ...