Colors, sparks, booms and whistles all require different pyrotechnic recipes.
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Hidden underneath the bright colors and celebratory nature of fireworks is a combination of ancient chemistry and modern pyrotechnical recipes.
The execution of the eight surviving conspirators of the Gunpowder Plot.
Wellcome Images via Wikimedia
It wasn’t just ‘mindless’ brutality – but it should remind us that violence too often begets violence.
BBC Images
Gunpowder, treason and plot: historical consultants to BBC drama explain their role on the show.