Magnetism Explained: The Invisible Force Powering Technology, Nature, and Everyday Life Introduction Magnetism is one of those forces that we can’t see, yet it quietly shapes everything around us. From the way your phone speaker produces sound, to how Earth protects us from dangerous solar radiation, magnetism is always at work. It powers technology, guides animals, and even lights up the sky with the Northern Lights. But here’s the fascinating part—magnetism doesn’t just live in science textbooks. It’s part of our everyday lives. Every time you swipe a credit card, use a fridge magnet, or get an MRI scan at the hos...