In 1908, Dr. Walter Kilner invented aura goggles involving screens of dicyanin dye by which he could perceive the ultra-violet part of the field around the body that he termed "The Human Atmosphere" in a book of that title he published in 1911.
LlewellynCon 2025: June 11 - 20
Join us for our sixth annual LlewellynCon: a free, virtual event with 10 days of presentations and Q&As with some of your favorite authors. Visit our main event page to view the full schedule of author...