Psychic Investigation Clairvoyance and Channeling. The evidence for life after death is overwhelming, and scientists, from Professor William James to Dr. Gary Schwartz, have validated after-life communication. In The Art of Mediumship, discover what really goes on in a sance. Find out how mediums such as Arthur Ford and Edgar Cayce, and psychic detectives such as Noreen Renier receive their information from the Other Side. Learn how to develop clairsentience, clairaudience, and clairvoyance through dreams, meditation, and a Spiritualist circle. Read about todays ghost hunters who rely on electronic voice phenomena EVP and psychic