CHAPTER VII
A STEADY MARCH
The Electron explains how they produce the electric current. How
man discovered means of making the electrons march. A simple
explanation of how a complete electric circuit is always
necessary. How an "earth circuit" works. How the marching
electrons can do work 68
The Autobiography of an Electron Wherein the Scientific Ideas of the Present Time Are Explained in an Interesting and Novel Fashion · 第 7 / 21 章