A digital compass vibrates whichever motor is closest to north at all times. This basically gives the owner an extra sense. He doesn’t go much into his own experiences, but the Wired article ...

Primarily, the compass was used for geomancy for a long time before it was used for navigation Ancient Chinese alchemists realized that the magnetite ore would point towards a magnetic north. Their ...

where compass-holders can move in more directions than north, south, east, and west. That’s why space agencies use special compasses known as vector magnetometers, which measure not only the ...

The four cardinal directions are North (N), East (E), South (S), West ... The directions are at \(90°\) angles on the compass rose. The four ordinal directions are Northeast (NE), Southeast ...