Blast Waves and Flash Powders (PGI Convention Video) torrent

Flash powder manufacturing is still the most dangerous of fireworks operations. And still fraught with myths and misunderstandings. What is the "best" formulation for salutes? Indeed, how does the producer decide between depth and sharpness of the sound? Which formulations produce the sharpest sound, the loudest boom? Join Ken Kosanke at the 1994 PGI convention and explore the physics and chemistry of this remarkable phenomenon.

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