“A blacklight (or often black light), also referred to as a UV-A light, Wood’s lamp, or ultraviolet light, is a lamp that emits long-wave (UV-A) ultraviolet light and very little visible light.” wikipedia No matter what you call it, people are fascinated by the effect blacklight has on neon and glow-in-the-dark LEGO parts.  At any convention or exhibit, people flock to black light displays.   I am not the first AFOL to display …