One of the challenges of magick has nothing to do with magick. Rather, it has to do with those of us who believe in various magickal or occult principles but feel insecure because we don't know exactly how one thing, such as a ritual, directly causes a result. As I have described before, some magicians look for the latest "scientific" principles as an explanation for how magick works. As a result there have been books that "explain" the functioning of magick by associating it with magnetism, electricity, atoms, spirits, ghosts, synchronicity, and most recently, quantum physics.
I have a feeling that the next explanation of magick may be a subdivision of quantum physics known as quantum