It is an incredibly rare and beautiful form of spirit communication that includes images, writings, and even signatures that “precipitate” out of the ether onto a surface. Colorful pigments (most often supplied by a medium) are reformed by a spirit and laid down intelligently so that the final product has meaning to the recipient or witness. Neither human hands nor physical writing/drawing/painting tools are involved directly in the process of creating this phenomenon. The most famous examples are the incredible painting by the Bangs Sisters. Read more.