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Chemistry For Your Life

How do diapers change color when wet?

4/9/202651 min

#235

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.

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0:00 –...

Clips

The Diaper Breakup Analogy
From Yellow To Blue
Is It A Marketing Trick?
The Ladder Rung Visual
Homewrecker Chemistry Joke
Breakups Change Molecules Too

Transcript preview

First 90 seconds

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  3. Melissa Cleeiny· Host0:59

    Hey, Jam.

  4. Jam Robinson· Host1:00

    Hey.

  5. Melissa Cleeiny· Host1:01

    I know that you're familiar with diapers because you have kids, a, a whole gaggle.

  6. Jam Robinson· Host1:06

    Mm-hmm. I do.

  7. Melissa Cleeiny· Host1:08

    And all of them have or have wor- do or have worn diapers.

  8. Jam Robinson· Host1:11

    Yes, that's correct.

  9. Melissa Cleeiny· Host1:12

    And have you ever used the ones with the wetness indicators?

  10. Jam Robinson· Host1:15

    Yes, I think all the ones we have, uh, have wetness indicators.

  11. Melissa Cleeiny· Host1:20

    And what do you know about how those work?

  12. Jam Robinson· Host1:23

    I don't know about how they work. I just know how to

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