Why Does The World Run On Three-phase POWER?

Every wall socket. Every power station. Every factory on Earth. They all run on 3-phase electricity. But why 3? Why not 2 phases — simpler and cheaper? Why not 4 phases — more power? Engineers in the 1880s made a single decision that locked in this number forever. And the reason behind it is more fascinating than you think. In this video, we explain: ✅ Why single-phase electricity has a fatal weakness ✅ Why 2 phases were tried — and quietly abandoned ✅ The mathematical reason 3 is the perfect number ✅ Why adding a 4th phase gives you almost nothing useful ✅ How this decision made modern cities possible This is the hidden engineering choice that powers everything around you — and almost nobody knows why it exists. 🔔 Subscribe for more videos that reveal the science hiding inside everyday things.