Trying to understand how a map relates to what’s on the ground can be tricky. It requires the brain to do a lot of stuff that it doesn’t customarily do daily. This is one of the reasons that ...

The iPhone Compass is a handy tool that can help you navigate unfamiliar places, level objects, and even detect magnetic fields. However, the compass may sometimes not work correctly due to various ...

This video explains how compasses use Earth’s magnetic field to point north, breaking down the science behind one of humanity’s oldest and most reliable navigation tools.