Earth Science · Maps & GPS

Map Lab

Peel the globe flat, drag Greenland to the equator, trace a GPS fix from four satellites and fly the shortest way round the world.

The course

7 worlds · 28 lessons

FREELatitude, longitude and the numbers behind every pin

PROWhy every flat map bends the truth, and how to choose how

PROWhat the Mercator map hides, and why web maps still use it

PROSatellites, clocks and the geometry of a blue dot

PROGreat circles, the haversine formula and why flights look curved

PROWhy noon moves west, and how a clock can tell you where you are

PROThe map-reading skills you can use on a hillside

Earth Science · Maps & GPS

Peel the globe flat, drag Greenland to the equator, trace a GPS fix from four satellites and fly the shortest way round the world.