Magnetism

Magnets are commonly found in everyday objects, such as toys, hangers, elevators, doorbells, and computer devices. Experimentation on these magnets shows that all magnets have two poles: one is labeled north (N) and the other south (S). Magnetic poles repel if they are alike and attract if unlike. Moreover, both poles of a magnet attract unmagne...

Magnetism was first observed over 2500 years ago near the ancient city of Magnesia.

Magnets can be found in everyday objects like speakers, credit cards, compasses, and memory devices.

A bar magnet has a North and South pole. When an unmagnetized iron nail is brought in contact with it, it becomes magnetized.

Like poles of a...