After the carnage of World War I, spiritualism was undergoing a revival, and many people hoped science could provide a means to contact lost loved ones. Edison himself was not a believer and admitted he had no idea if a spirit world even existed. Edison corresponded with British inventor Sir William Crookes, who claimed to have captured images on "spirit photographs." Edison was intrigued. Edison took the idea of the telephone and the telegraph a bit further and announced in October of 1920 that he was working on a machine to open the lines of communication with the spirit world. He would later talk to several magazines and explained to The New York Times that his machine would measure what he described as the life units that
After the carnage of World War I, spiritualism was undergoing a revival, and many people hoped science could provide a means to contact lost loved ones. Edison himself was not a believer and admitted he had no idea if a spirit world even existed. Edison corresponded with British inventor Sir William Crookes, who claimed to have captured images on "spirit photographs." Edison was intrigued. Edison took the idea of the telephone and the telegraph a bit further and announced in October of 1920 that he was working on a machine to open the lines of communication with the spirit world. He would later talk to several magazines and explained to The New York Times that his machine would measure what he described as the life units that