Pinpointing your place is extremely easy on the world map if you exactly know the latitude and longitude geographical coordinates of your city, state or country. With the help of these virtual lines, ...

Want to understand why it is that having a precise timepiece (also known as a chronometer) helps you determine your longitude? Play this Shockwave game, get lost on the high seas, and find out.

If I want to see where a place is in the world, I just need to look at where the lines cross, and read the numbers. Ah, there he is! Latitude is 32 degrees south, and longitude is 115 degrees east.