And lo on Fri, 11 Jan 2008 15:06:23 -0000, Invisible <voi### [at] devnull> did  
spake, saying:

>>> Interesting. I was under the impression that *all* noble gasses are
>>> extremely rare...
>>  1% of the atmosphere or so. It's used in a lot of places because it's  
>> not so
>> rare. Often used in fire-extinguishing systems for server rooms
>
> Well, gold is extremely rare, but if you have the cash there's no  
> problem with buying some. ;-)
>
> 1% of air is certainly a vastly higher figure than I had imagined though.

I think the fact it doesn't 'do anything' from our limited perception on  
matters makes it seem rarer, a bit like the fact that nitrogen forms a  
greater percentage of air then oxygen sometimes comes as a shock to people.

-- 
Phil Cook

--
I once tried to be apathetic, but I just couldn't be bothered
http://flipc.blogspot.com

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