Which are the intriguing secrets behind the revolutionary reactor “E-Cat” – or Energy Catalyzer - for energy production invented by Andrea Rossi? Here you can find much useful information if you want to try to replicate in your laboratory his apparatus generating clean and very low cost heat at low or high temperatures and you can also discover why we are at the beginning of a new energetic Era. This is the 2nd edition, published on November 2013, with important updates.