Today DayGlo pigments color everything from traffic cones to tennis shoes, but back in the 1930s it was barely used at all. Though Joe and Bob Switzer can lay claim to commercializing fluorescent pigments, they were far from the first people to discover the phenomenon. By the time Joe and Bob created their homemade paint, scientists had already spent years in the laboratory exploring the chemical makeup of glowing substances.
Today DayGlo pigments color everything from traffic cones to tennis shoes, but back in the 1930s it was barely used at all. Though Joe and Bob Switzer can lay claim to commercializing fluorescent pigments, they were far from the first people to discover the phenomenon. By the time Joe and Bob created their homemade paint, scientists had already spent years in the laboratory exploring the chemical makeup of glowing substances.