Black Light
- Black lights are special bulbs or lamps designed to emit ultra violet light that the human eye can barely see, according to the University of Illinois Department of Physics. While these lights don't add very much visible light to brighten a room, some ultra violet reactive materials or paints will glow white or a pale shade of green or yellow when exposed. Black lights are an easy way to create a ghostly apparition in a room by flooding the area with ultra violent light, then slowly moving a wispy UV reactive figure across the scene. The dim, violet color of the light a black light does emit can be disorientating or create strange looking shadows that add to the spooky atmosphere.
Strobe Lights
- Bright, repetitive flashing is the most common mode of lighting offered by a strobe light. If no other lighting is used, the constant change between bright light and total darkness will confuse visitors of a haunted house or viewers of a horror movie say the experts at Animated Lighting. Taking advantage of their distracted state is easy and allows for a bigger reaction to a quick moving prop or sudden appearance of a startling character. The confusion of watching a scene or standing in a room with a strobe light flashing also allows for mimed violent acts to look more realistic.
Read more: Lighting Techniques for Horror | eHow.com http://www.ehow.com/list_7449719_lighting-techniques-horror.html#ixzz2NTVtjcwI
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