This is a short video of chemistry educator Phil Cook demonstrating both the hydrophobic and combustible properties of lycopodium spores. Lycopodium spores are the dried spores of clubmoss plants (aka ground pine), and have long been used for theatrical special effects (in the form of dust explosions) due to their combustibility. And, if I’m not mistaken, this is the same stuff Harry Potter used so he could breathe underwater during the Tri-Wizard Tournament. “That was gillyweed.” Haha — nerd. “Guess who’s sleeping on the sofa tonight?” Honey! But what about my back? “It’s going to hurt in the morning.” Ice cold.

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