Pyrotechnics Pro Explains the Art of Those Massive Fireworks Shows

Ever wonder how those massive fireworks spectacles get off the ground? From black powder to barium, music to mortars, pyrotechnics pro Jim Souza, whose company puts on the Macy’s 4th of July Show in New York, explains the year-long process behind putting on a major performance.

Originally Posted at https://video.wired.com/watch/a-pyrotechnics-pro-explains-the-art-of-those-massive-fireworks-shows