ELECTRICAL FIRING. And more can be found in the Pyro Experts video. Nine award-winning pyro experts explain different topics including: 1. Angel Art explains fireworks photography; 34 mns. Mark Dettmer explains the inside secrets of perfect still photography of fireworks. Shutter, aperture, film, exposure, it’s all here. 2. Electrical Firing. Sam Bases offers 23 mns. on series & parallel circuits, voltage/current, etc. Good basic info. 3. PGI Grand Master John Vico tells about his almost fatal flash accident. He discusses risk levels and offers advice all pyro hobbyists will find useful. 20 mns. 4. Rocket Roundtable. Six award-winning pyros discuss rockets. Tips, techniques and secrets are revealed. 22 mns., then 4 mns. of rocket shoots!