Black Light

A Blacklight is a device that emits long-wave Ultraviolet Light (UV-A) through a violet filter. This allows a visible aiming marker for the invisible UV light. The use of a Blacklight has always been an invaluable modern tool for a number of applications. This includes detecting various counterfeit countermeasures in documents for authenticity, finding defects in objects, fluid leaks in mechanical devices, and tracking animals. Within the scope of an investigation, Black Lights have been a necessary...