This book provides information to the state of art of research in nanotechnology and nano medicine and risks of nano technology‎.‎ It covers an interdisciplinary and very wide scope of the latest fundamental research status and industrial applications of nano technologies ranging from nano physics‎,‎ nano chemistry to biotechnology and toxicology‎.‎ It provides information to last legislation of nano usage and potential social impact too‎.‎ The book contains also a reference list of major European research centers and associated universities offering licences and master of nano matter‎.‎ For clarity and attractivity‎,‎ the book has many illustrations and specific inserts to complete the understanding of the scientific texts‎.‎