ultraviolet light ( UV) used to cause special paints and scenic materials to fluoresce. The effect can make these items appear eerily brighter than their surroundings. Paints can either be visible (visible all the time, but br ighter under UV) or invisible (visible only under UV). Note that UV sources include filtering to restrict the range of UV wavelengths emitted to those likely to cause minimal harm to skin. All UV fixtures should state a mini mum operating distance, and care should be taken that people do not get closer to the source when it is on that this.
Ultraviolet light. In collectables, blacklights are commonly used to detect fakes, reproductions, and repairs. They are also used to identify authentic vaseline glass, Burmese glass, and other collectable glassware which contains uranium. Since uranium glows under a blacklight, uranium based glass is easy to detect.
A special purple light that causes certain colored paint to glow brightly in the dark. Found in head shops, they are used to add a psychedelic effect to posters and body paints.
An ultra violet light from which the harmful radiations have been filtered. Used to light specific materials which will fluoresce in a dark area.