Fireworks always getting fancier
July 4 fireworks displays will be held all over the state of Minnesota, and they seem to get more elaborate every year.
MPR's Cathy Wurzer talked with Dr. John Conkling, an adjunct professor of chemistry at Washington College in Maryland and the retired technical director of the American Pyrotechnics Association, about the newest trends in fireworks.
Gallery
Create a More Connected Minnesota
MPR News is your trusted resource for the news you need. With your support, MPR News brings accessible, courageous journalism and authentic conversation to everyone - free of paywalls and barriers. Your gift makes a difference.