Add Yahoo as a preferred source to see more of our stories on Google. How does a magnetic compass work: compass. How does a magnetic compass work? Well, it’s all down to basic physics and human ...

Earth is surrounded by a magnetic field generated by electric currents from within the planet. Compasses take advantage of this field to identify north and serve as a navigational aid. But one social ...

Compasses were the trusted companions of sailors, explorers, and travelers for centuries, offering a simple way to find north. A small magnetized needle is set on a tiny pivot, allowing it to move and ...