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   Re: [xml-dev] What are units-of-measure? e.g., what's a "kilometer"?

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roger.day@globalgraphics.com wrote:
> isn't kilometer a bit, well, easy? Upping the stakes a bit, you could ask
> the question:
> 
> "What is blue?"

There's a definition of that you could use involving the effect of the 
reflect or emitted or transmitted light upon a human eye, *on average* 
(over the entire human race) causing more than a certain amount of 
stimulation to the blue receptor compared to the other receptors...

Which could be approximated in terms of stating that at least a certain 
percentage of the radiant energy within the visible spectrum is within 
the "blue" bit of it.

> So, a kilometer could be 1000 arbitrarily defined units.

Or indeed just one arbitrarily defined unit ;-)

> 
> Roger.
> 

ABS





 

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