# Clear urine: bad or good?

**URL:** <https://boards.straightdope.com/t/clear-urine-bad-or-good/647852>\
**Category:** In My Humble Opinion\
**Created:** [January 21, 2013, 12:27am UTC](https://boards.straightdope.com/t/clear-urine-bad-or-good/647852 "2013-01-21T00:27:46Z")\
**Posts on this page:** 2\
**Page:** 3

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**Author:** ![Ruken](https://avatars.discourse-cdn.com/v4/letter/r/f475e1/32.png) [@Ruken](https://boards.straightdope.com/u/Ruken)\
**Post date:** [January 22, 2013, 11:47am UTC](https://boards.straightdope.com/t/clear-urine-bad-or-good/647852/41 "2013-01-22T11:47:56Z")

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> [@panache45](#):
>
> (Chemistry 101)

More like middle school science. My nephews have this figured out.

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**Author:** ![Ruken](https://avatars.discourse-cdn.com/v4/letter/r/f475e1/32.png) [@Ruken](https://boards.straightdope.com/u/Ruken)\
**Post date:** [January 22, 2013, 12:02pm UTC](https://boards.straightdope.com/t/clear-urine-bad-or-good/647852/42 "2013-01-22T12:02:12Z")

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And yes, white milk is colorless, unless someone would like to let us know what visible wavelengths are being selectively absorbed or scattered.  
…  
That’s right, none. It’s broad-visible light scattering that makes it opaque, just like we learned as wee kiddies.

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