In this book, the author includes the most recent developments in his field of science, many of which he himself had predicted. He has added a new chapter on time travel and cosmic tunnels, and has written a new foreword.

The book is available at the Library; Call. No.: 530.12 Haw [in Greek].

Ask your Librarian to assist you in finding this book, or you can search through the Library Catalog for more details on this book.