Potential of Nanotechnology is enormous and includes virtually in every field of engineering and science. Researchers and technologists all across the world have realized this and call it the Technology of the Future. At the present time many nanomaterials are under active research and development. The book is intended to develop interest amongst students of all branches of Engineering and science, including researchers so that they will know the fundamentals and future scope of the subject. The books deals with several aspects of the nanotechnology and its fundamentals and applications, i.e Nanotechnology, tools and techniques, nanomaterials, nanocomposites. This book highlighted the applications of nanotechnology in construction industry, automobiles, materials science, energy, solar power, biomedical, electronics, waste water treatment and many more. In the present book, editors have puts their best efforts to make this area more intresting and expect that this book offers broad examples of existing developments in nanocomposite technology research and an excellent introduction to the nanomaterial applications. The text of this book is in lucid and easily understandable language with appropriate illustration. Lastly, we will welcome the constructive suggestions from the users of this book for the enhancing of book quality.