Water turned pink in a small Canadian town this week after a faulty valve allowed the disinfectant potassium permanganate to seep into the water supply. The color looks alarming, but the chemical ...

Fireworks usually include gunpowder, but a hobbyist has made this rather impressive bang using potassium permanganate in lieu of the more traditional ingredient. Permanganate is a purple crystal which ...

Addition of a liquid to a crystalline substance produces smoke an intense violet flames. Set up a heat resistant mat next to an operating vent in the bench top. Add 10 to 15 drops of glycerol to the ...

When it comes to weird and wacky homebrew rocket experiments, [Integza] keeps himself fairly busy. He’s now attempted a design repurposing Devil’s Toothpaste for propulsion. Devil’s Toothpaste is ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

IN preliminary tests carried out during the last few years, it was observed that the application of potassium permanganate to various plants was followed by a marked growth response, and in this ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

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