# The funny thing about Fahrenheit

**URL:** <https://boards.straightdope.com/t/the-funny-thing-about-fahrenheit/523902>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [January 6, 2010, 3:11pm UTC](https://boards.straightdope.com/t/the-funny-thing-about-fahrenheit/523902 "2010-01-06T15:11:37Z")\
**Posts on this page:** 1\
**Showing post:** 55

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**Author:** ![xash](https://avatars.discourse-cdn.com/v4/letter/x/c6cbf5/32.png) [@xash](https://boards.straightdope.com/u/xash)\
**Post date:** [January 12, 2010, 10:34am UTC](https://boards.straightdope.com/t/the-funny-thing-about-fahrenheit/523902/55 "2010-01-12T10:34:36Z")

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> [@MoodIndigo1](#):
>
> -40 without wind is great weather for a walk. At that temperature, it’s usually sunny outside, great for the morale. The snow becomes sort of brittle and it makes a sort of a crystalline sound underfoot. I love it.

Would you like to go for some colder walks in the name of science? Thanks!

[**At what temperature will your eyeballs freeze?**](http://boards.straightdope.com/sdmb/showthread.php?t=547508)

> [@At what temperature will your eyeballs freeze?](https://boards.straightdope.com/t/at-what-temperature-will-your-eyeballs-freeze/524645/1):
>
> And what keeps them from freezing before that temperature?
> 
> This post got me wondering:
> 
> Assume no eye protection.
> 
> Corollary 1: Is there a temperature at which our eyeballs will freeze before we hit hypothermia?
> 
> Corollary 2: If our eyeballs froze, and we were still conscious, what would be the resultant effect on our vision?

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