A Serpente do Faraó, da série: reações químicas badass!

via fuckyeahchemistry:

christineren:

The Pharaoh’s Serpent is a traditional pyrotechnic and chemical display in which mercury thiocyanate is set on fire, producing what looks like a very rapidly growing vine. It has since fallen out of favor due to the toxicity of mercury, but sodium bicarbonate produces a similar effect. The video above is a demonstration of this visually stunning chemical reaction.