>>> If your knife blunts after cutting paper, it's a very poor quality knife.
>> Quite possibly. The "3 cuts" was an exaggeration of course, but IME any 
>> knife, no matter how sharp initially, quickly becomes as blunt as all 
>> the other knives in the building.
> 
> That could be because no one sharpens them. Or is it entropy or the bad knife
> fairy?

There seems little point in sharpening a blade unless it's actually 
going to *stay* sharp for a reasonable period of time.

Not entropy, just the fact that solid objects all wear down when used. ;-)

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

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