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Chapter 1: Magnetism
1. Why This Matters
Have you ever played with a magnet and watched it pull a paper clip across a table without touching it? Or wondered how a compass always finds north? Or how a maglev train floats above its tracks? All of these are stories about magnetism — an invisible force that has fascinated humans for thousands of years.
Magnetism is one of the most important forces in the universe. It protects the Earth from harmful solar radiation, helps animals navigate, and p
