Who Says Electricity Needs Two Wires?

“Left is neutral, right is live.” We all learned that electricity flows out through one wire and returns through another. Yet lightning has no second wire. A radio tower radiates megawatts into the open sky without one. And between the plates of a capacitor lies nothing but an insulating void, yet the lamp still lights.

This book returns to the most orthodox foundations of classical electrodynamics, Maxwell’s equations and Poynting’s theorem, to reveal a fact written in every universi…