Le voyage hors du corps. Les techniques de projection du corps astral

"This is a book about thinking - more specifically, this book is about a style of thinking by which great ideas are conceived. Adapted from a course that the author taught at the U.S. Naval Postgraduate School and with a new foreword by Bret Victor, this work is a reminder that a childlike capacity for learning and creativity are accessible to everyone." -- Publisher Highly effective thinking is an art that engineers and scientists can be taught to develop. By presenting actual experiences and analyzing them as they are described, the author conveys the developmental thought processes employed and shows a style of thinking that leads to successful results is something that can be learned