The manifestation of physical phenomena such as table tipping, apports, the appearance of unusual lights, etc., usually during a séance. Usually it requires a state of trance on the part of the medium.
Readers, please enjoy this guest blog post by Steele Alexandra Douris, author of the new Spirits, Seers & Séances.
Those of us who enjoy the interplay of the seasonal and the spectral can learn a lot from the Victorians, whose celebrations...