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candy litmus 01 Litmus candy
candy litmus 02 Litmus candy

Windell of Evil Mad Scientist Laboratories noticed that the “Blueberry Blast” candies he picked up contained red cabbage extract, which, as every evil mad scientist knows, is a classic homebrew pH indicator. So he dunked three samples in baking soda solution, neutral water, and vinegar. Sure enough, visible color changes.

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and My work has also appeared in ReadyMade, c’t – Magazin für Computertechnik, and The Wall Street Journal.

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