A term used by sleight-of-hand performers to describe the phenomenon that something in black tends to disappear when placed against a black background and physical dimensionality tends to flatten out. For example, a conjuror can make himself seem to disappear by jumping behind a black panel in front of a black background, the action covered by a flash of light or smoke. This is now enhanced through the use of ultraviolet or black lights. Although rarely used as a full act, it is a popular technique in Prague. Fradulent mediums often used this technique to make things appear or disappear in dimly-lit séance rooms.
Readers, please enjoy this guest blog post by Rick de Yampert, author of the new Crows and Ravens.
I was gobsmacked the time I looked out my living room window at the woods behind my Palm Coast, Florida, home and saw a crow hanging upside-down in...