The list author says: "The phenomenon of Electromagnetism is simply remarkable. It has been studied deeply for the last 300 years and it embraces everything around us. All forces in nature what we experience are explained by this phenomenon except Gravitation. Also this phenomenon presents the first challenge to humans to reason and understand the invisible. It is a tough nut to crack and I am simply logging the golden nuggets which are helping me in this arduous, yet most rewarding journey"