We head to the DayGlo Color Corp. factory to learn how they make the famous fluorescent paints that light up traffic cones, black light posters, hula-hoops and so much more. In the 1950’s, DayGlo founders Bob and Joe Switzer developed a unique pigment production process that led to a boom in their fluorescent paint business and, more recently, earned their company a 2012 ACS National Historic Chemical Landmark.