The Luminescence of Black Light         Black Light. What is it? It is a portion of the Ultra-Violet Spectrum that is invisible to our eyes. We can not distinguish it. However, when this radiation impinges on certain materials visible light is emitted and this is known as 'fluorescence.' Fluorescence is visible to the human eye, in that it makes an object appear to 'glow in the dark.'         There are several sources of ultra-violet light. …showed first 75 words of 450 total…

…showed last 75 words of 450 total…into its place. This process produces energy, and this is what is seen. This discharge of energy is what creates the 'glow' that is seen. I had no idea that light could cause such an strong reaction on something. That something being an atom is even more profound. Ultraviolet light causes the atom to lose a subatomic particle then regain it, and give off energy in the form of visible light. This is just amazing.