In a world filled with modern navigation tools, there is still a place where the humble compass can be used. Knowing how to make a compass, and teaching others how to make one, serves to develop a ...

The compass—oldest known navigating instrument—has been revolutionized. Last week Bendix Aviation Corp. announced a new automatic compass that makes the old magnetic needle* look as obsolete as a ...

Pigeons can sense Earth’s magnetic field by detecting tiny electric currents in their inner ears, a team of researchers suggests. Such an inner compass could help to explain how certain animals can ...