It is in "The Celestine Prophecy" at the end of the book. That is the only place I have seen it, exactly. There is another concept in Buddhism, though, that says that the only reason we see each other and our shared environment is karma. Similar causes produce very similar results.
I recently heard, that if a person could raise there vibrations to a certain level, that they could make themselves invisible. I want to know everyones thoughts on this or if they've ever had this happen to them. [?]