This essay, chapter 15 of Psychic Exploration, studies out-of-the-body experiences (OOBE's), formerly called "astral projection" and "traveling clairvoyance," are a universal human phenomenon in the sense of having been experienced in every time and culture, although only a very small fraction of people ever experience it. The full volume of Psychic Exploration can be purchased as an ebook or paperback version from all major online retailers and at cosimobooks.com.