This book discloses several discoveries of self powered green energy devices which can easily be constructed at home. The devices make use of already manufactured devices available worldwide and so are safe to use. The book is good for those who want to experiment on the possibility of eliminating the power problem on earth and of conserving the environment by using clean power. The devices generate green energy through different methods and all make use of feedback power to sustain themselves. Their output power is many times more than the input power. One will be shocked at how easy it is to make a laptop computer or a desktop computer operate as a self powered computer and an electrical generator at the same time! No need for one to keep worrying about loses due to power failures. No worry for online students who suffer due to power failures and fail examinations just because power got lost when they were writing examinations. This book is a must read for anyone who is fed up with power blackouts and high energy bills. The devices are not only for generating electricity.This ebook is also available in print at www.lulu.com and in other retail markets working with Lulu.