Psychic Howlers & Other Ghost Detectors
"I have been at work for some time building an apparatus to see if it is possible for personalities which have left this earth to communicate with us." - Thomas Edison You read that right. Thomas Edison, the famous American inventor, might have built a ghost detector. There's no evidence he actually constructed a working prototype, but he did go on the record to say that he was thinking about it. "This apparatus is in the nature of a valve, so to speak. That is to say, the slightest conceivable effort is made to exert many times its initial power for indicative purposes." Although Edison may never have gotten past the development stage, there are others who claimed to have created working ghost detectors. In fact, whole laboratories were set up to study communication with the supernatural. A New York Tribune article about the "American Psychical Institute", which pioneered several ghost hunting apparatus. There is a ghost detect...