Ultraviolet flashlights are useful tools that are being utilized by law enforcement authorities and the military all over the world to aid in the uncovering of counterfeit materials, for detecting blood and other evidence, to help find hidden explosives so they can be destroyed, for intelligence gathering, in the capturing of criminals, and much more. Many policing and military professionals report that the ultraviolet flashlight is a critical tool to have in their arsenals for fighting the criminal element and for providing security here at home and abroad.
What is ultraviolet light? The sun produces infrared, ultraviolet, and visible light rays and each has different wavelengths. It is the length of these wavelengths that makes some light easy for us to see, and other light that is mostly undetectable to us unless we are using special equipment to view it. The light you see from the sun during the day has a longer wavelength and is therefore more visible than say ultraviolet light, which has a shorter wavelength. Ultraviolet light produces minimal visible light rays and is instead characterized by a deep blue or purple light ray that is most visible at night or...
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