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 ...

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

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Without its magnetic field, life on Earth would not be possible ...

On Earth, the magnetic field of our planet points a compass north, but in space, things are a bit more complicated. When you purchase through links on our site, we may earn an affiliate commission.