Nikola Tesla was a Serbian-American inventor, electrical engineer, mechanical engineer, physicist, and futurist. He was widely known for his contribution to the creation of devices that operate on alternating current, multiphase systems and the motor will make a so-called second phase of the industrial revolution. Tesla has received universal recognition as the outstanding electrical engineer and inventor. This book describes the Tesla’s opinion in Paris Exposition in 1880. He was attracted by Electrical Energy of the Hertz Resonator, experiments on it, its characteristics and abilities. Read the book to know it!