Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: AMuzi <am@yellowjersey.org>
Newsgroups: rec.bicycles.tech
Subject: Re: fast tires
Date: Wed, 18 Jun 2025 10:20:11 -0500
Organization: Yellow Jersey, Ltd.
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On 6/18/2025 10:13 AM, Radey Shouman wrote:
> Frank Krygowski <frkrygow@sbcglobal.net> writes:
> 
>> On 6/17/2025 1:05 PM, Radey Shouman wrote:
>>> Frank Krygowski <frkrygow@sbcglobal.net> writes:
>>>
>>>> But OK, I can probably cram in that 98 pounds = 7 stones.
>>> "7 stone", not "7 stones".
>>
>> Huh. OK, I can try to remember that too.
>>
>>>> (Do they have an actual stone stored away somewhere, like they used to
>>>> have an actual kilogram?)
>>> No idea.  Different scales of weight for different items was once
>>> considered natural. Troy ounces and pounds still survive.  12 Troy
>>> ounces per pound, of course.  "Grain" for gunpowder or drugs is also
>>> still in use, although in the case of drugs I think it's mostly just
>>> aspirin labels.
>>
>> The SI system is _so_ much more logical!
>>
>> Although users often make the inverse of our usual force vs. mass
>> mistake, by using kilograms as a measure of force.
> 
> True, ordinary everyday SI users almost always use Kg as a unit of
> either mass or weight interchangeably.  Maybe when we live on different
> planets the difference will be more intuitive.
> 

Like sidereal time.

Is there a problem here at roughly sea level on earth where 
weight vs mass discrepancy is significant?  I really don't know.

-- 
Andrew Muzi
am@yellowjersey.org
Open every day since 1 April, 1971