Black snake (firework)
From The Art and Popular Culture Encyclopedia
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Black snake and Pharaoh's serpent are two similar types of firework.
After being lit, both fireworks begin to smoke and spew out ash resembling a snake via an intumescent reaction. They stay on the ground and do not emit sparks, flares, any form of projectiles, or any sound, but may release smoke.
Sodium bicarbonate which produces carbon dioxide gas, and sugar forming carbon containing ash, are common chemicals used for the black snake demonstration. Other sources report the contents as "a nitrated mixture of linseed oil and naphthalenes".
The traditional "Pharaoh's serpent" version of this firework produced a more impressive snake, but its operation depended upon mercury (II) thiocyanate, which is no longer used because of its toxicity.
In popular culture
- In a South Park episode, a dismembering firework accident prompts the state of Colorado to ban fireworks. Using a loophole in the ban, the mayor commissions a gigantic snake for the annual Fourth of July celebration, but moments upon ignition it nearly destroys the town and other parts of North America.
- Before meeting Joe Dirt in the film of the same name, Kicking Wing only sold snakes and sparklers at his fireworks stand.
- On a 2014 episode of the Discovery Channel series MythBusters, Grant Imahara explored chemical reactions that could generate a carbon residue similar to a burning snake.
- In episode 6 of the anime Kotoura-san, one of the main characters is seen burning a black snake while saying "the black snakes are all mine".
