Besides the geographic North Pole — an area that some children worldwide recognize as the home of Santa and all his reindeer — the Earth also has a magnetic North Pole. These magnetic poles ...

Earth’s magnetic poles are constantly on the move, but they haven’t drifted far enough to actually flip in the modern age. Researchers know that Earth’s poles have flipped in the past ...

Molten iron moving in the core causes the magnetic field. The Earth has north and south magnetic poles. The needle of the compass follows the magnetic field lines. The N pole of the magnet points ...

One strategy for identifying domains involves shining a light across the material in one direction and then again in the opposite way. Magnetic domains can be determined by examining the different ...