Glow in the dark paint first hit the scene in the early 1900’s with the arrival of Undark - a hot new paint pigment. And when I say hot, I mean HOT. This UV-reactive pigment was made with radium-226, and as the name implies -- radium is radioactive.

Creative HazardsJ. Michael SinclairJanuary 17, 2020Undark, Radioactive, Paint, Glow, Glow paint, US Radium, Radium Corp, Radium Girls, Radium Jaw, Sabin, Sochocky, Superfund