Why Power Lines Use Aluminum Instead of Copper

Have you ever wondered why the massive power lines carrying electricity across entire countries are made of aluminum instead of copper? After all, copper is one of the best electrical conductors on Earth. In this video, we uncover the surprising engineering, economic, and scientific reasons why aluminum became the metal of choice for modern power grids. From weight and cost to corrosion resistance and hidden steel cores, you'll discover why what seems like the obvious choice isn't always the smartest one. This educational video uses AI-assisted visuals and voice enhancement for storytelling purposes. Content is based on research and scientific references, though minor inaccuracies may occasionally occur.