A procedure that photographs the aura. See Kirlian Photography.
A questionable technique that uses special lenses to produce a spurious set of colors around a person in a photograph. Often found at "psychic fairs" where people charge for the pictures and their interpretation.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...