Chapter 1

Find Your Longitude

http://www.pbs.org/wgbh/nova/longitude/find.html
See page 29 in The World Today.

Play “Find Your Longitude” on this website made for the science television show, Nova. In the game, you pretend you are an 18th-century sailor lost at sea. What instruments do you use to measure where you are? Why do you need an accurate timepiece to find out where you are in the world?