Luminescence of Black Light

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…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.