An expression original uses by spiritualists to indicate phenomena that occurs during a séance that can be experienced by or perceived by the physical senses. Examples of physical phenomena include very subtle things such as a whispered voice or movement of air to more obvious phenomena such as the movement or even levitation of objects and people.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...