The “paranormal” fascinates, the activities of mediums and psychics have a capacity to capture the imagination of many people. Scepticism is much more general than it was a century ago, when even people as brilliant as Arthur Conan Doyle took an interest, but there still remain people who have a firm belief in Ghosts and, perhaps, the possibility of communicating with those from other times or the possibility of mental contact with those absent and whose whereabouts is unknown.

“Ghosts,” “spirits of the dead,” “discarnate personalities” are explicable in terms …