The Science of Navigation: From Dead Reckoning to GPS

In today’s world of online maps and travel directions delivered wirelessly to hand—held devices, getting from place to place requires little thought from most of us—which is a good thing, since accurate navigation can be tricky. Get your bearings with Mark Denny—an expert at explaining scientific concepts in non—technical language—in this all—encompassing look at the history and science of navigation.

Denny’s tour kicks off with key facts about the earth and how its physical properties affec...