# Ruby, Constants, and the real world

**URL:** <https://www.ruby-forum.com/t/ruby-constants-and-the-real-world/58447>\
**Category:** Ruby\
**Created:** [April 21, 2006, 7:50pm UTC](https://www.ruby-forum.com/t/ruby-constants-and-the-real-world/58447 "2006-04-21T19:50:57Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![pat\_eyler](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/858c86/32.png) [@pat\_eyler](https://www.ruby-forum.com/u/pat_eyler)\
**Post date:** [April 21, 2006, 7:50pm UTC](https://www.ruby-forum.com/t/ruby-constants-and-the-real-world/58447/1 "2006-04-21T19:50:57Z")

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For as much flack as Ruby takes for having constants which can be  
changed, I was amused to find this aritcle:

[http://www.newscientist.com/article/dn9033-another-fundamental-constant-accused-of-changing.html](http://www.newscientist.com/article/dn9033-another-fundamental-constant-accused-of-changing.html)

posted at slashdot. The headline is: Another fundamental constant  
accused of changing

Maybe Ruby’s got the right approach after all, huh?

–  
thanks,  
-pate

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**Author:** ![pat\_eyler](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/858c86/32.png) [@pat\_eyler](https://www.ruby-forum.com/u/pat_eyler)\
**Post date:** [April 21, 2006, 9:51pm UTC](https://www.ruby-forum.com/t/ruby-constants-and-the-real-world/58447/2 "2006-04-21T21:51:13Z")

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On 4/21/06, pat eyler [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> Maybe Ruby’s got the right approach after all, huh?  
> mu is _not_ a constant, Mu is 😉 and of course ruby is right what did  
> you  
> think?

Cheers  
Robert

–

> ## thanks, -pate
> 
> [http://on-ruby.blogspot.com](http://on-ruby.blogspot.com)

–  
Deux choses sont infinies : l’univers et la bêtise humaine ; en ce qui  
concerne l’univers, je n’en ai pas acquis la certitude absolue.

- Albert Einstein