Rosalyn W. Berne 
Nanotalk [PDF ebook] 
Conversations With Scientists and Engineers About Ethics, Meaning, and Belief in the Development of Nanotechnology

No one really knows where nanotechnology is leading, what its pursuit will mean, and how it may affect human and other forms of life. Nevertheless, its research and development are moving briskly into that unknown. Nanotalk is a book of conversations and explorations with thirty five such nano-research scientists and engineers who share their ideas