The Periodic Table of Paranormal Elements
Intelligent interaction, between a spiritual entity and a human being, using the features of an electronic device or a software application running on an electronic device. As opposed to an equipment anomaly, this element involves active participation on the part of the living person.
Ectoplasm is defined as a white, misty, liquid substance that oozes from the orifices of a medium during a seance and can be formed by spirits into a humanoid apparition. The subject of many hoaxes, it has been substantiated, photographed and described in detail by Benjamin Alexander, a former spiritualist, who was terrified by his experiences and later became a Christian evangelist. Ectoplasm is said to be light sensitive and vanishes in the presence of light.
An equipment anomaly involves a piece of equipment which behaves in a way which is not consistent with the designed function(s) of the device which is not considered to be possible.
A distressed vocalization is a human sounding cry, moan or groan or animal growl. The phenomenon is often associated with haunted locations where tragedies have occurred.
Doppelgänger is a German word that means twin, double-goer, or double-walker. Observers report seeing a spectral double of another person. Also known as a fetch in Irish literature and folktales.