The potential of nanotechnology is immense and encompasses virtually every field of both science and daily life. Technologists and researchers all across the globe have realized this and call it the technology of the future. The book is intended to develop interest amongst students of all branches of engineering and researchers so that they can understand the fundamentals of the subject. The book deals with all the aspects of nanotechnology and its fundamentals and applications, i.e. nanotechnology, tools and techniques, nanomaterials, nanocomputers, nanocomposites, risks related with the use of nanotechnology and its relation with the environment. Applications of nanotechnology in textiles, solar power, electronics, space exploration, and in communication have been addressed in the book.