How do diapers change color when wet?

About this episode

The episode explores the chemistry behind why diapers change color when wet.

You’ve seen it a hundred times… but how does it actually work? Why do diapers change color when they’re wet? What kind of chemistry is happening in there? And how does something as simple as pee trigger such a dramatic color shift? Let’s talk acids, bases, color, and one surprisingly deep piece of everyday science.

Topics covered

• diapers
• color change
• chemistry
• acids
• bases

Keywords

• color shift
• everyday science
• pee

Mentioned in this episode

Products: diapers

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