My colleagues and I have constructed a basic primer on what parapsychologists understand about the relationship between haunting experiences and magnetism (geomagnetism and electromagnetism) and how those findings can be applied to field investigations. The first installment of the series was released today at Public Parapsychology, and future installments will be released over the next couple of days. Check it out:
Hauntings and Magnetism: A Basic Primer for Paranormal Enthusiasts (Part 1)