

| Subject: | Re: Metric this, metric that |
| From: | Jake de Villiers |
| Date: | Tue, 31 Jan 2006 17:59:07 -0800 |
That's the John Bange I was talking about! On 1/31/06, Jim Felder <felder@knology.net> wrote: > > John, > > You saved me the trouble of sending what I just wrote, almost exactly > what you wrote. > > Jim > > On Jan 31, 2006, at 10:33 AM, John Bange wrote: > > >> Non-intuitive? Water freezes at 0, boils at 100. How is that not > >> intuitive?? > >> > >> Not so much non-intuitive as under-descriptive. Freezing and boiling > >> of > > water are really only convenient marking points for scientists and > > engineers. The freezing and boiling point of water at sea level are, in > > fact, utterly arbitrary marking points! Why not the boiling point of > > alcohol? Or the freezing point of mercury? When most people talk > > temperature, they're talking weather. In that regard, the Fahrenheit > > scale > > has a more appropriate scaling. Most human-habitable areas experience > > temperatures that range inside 0-100F for the most part. Centigrade, > > though, > > is optimized for science, which marks the same temperature range as > > -17 to > > 37C. This results in a rather overly-coarse degree of resolution, > > forcing > > the use of an awkward decimal place for certain applications. The > > metric > > system is indeed very logical and rational, but it lacks the same > > degree of > > seat-of-the-pants convenience the older systems. The fact that we have > > calculators now has obscured for many people the fact that (10 fingers > > notwithstanding) we can't easily do decimal math in our heads. Our > > brains > > are MUCH better at estimating halves, thirds, quarters, etc. The > > original > > French metric system is very much a product of the "Age of > > Enlightenment", > > with science and rationality being emphasized over tradition. This > > resulted > > in a quite a bit of reasonably useful traditional baby being thrown > > out with > > the bathwater. The metric system is great, but there are several places > > where, for reasons of internal consistency based on scientific > > convenience, > > it fails to achieve the same degree of conventional utility as the > > system it > > replaced. > > > > -- > > John Bange > > '90 Vanagon - "Geldsauger" > > > -- Jake 1984 Vanagon GL 1986 Westy Weekender "Dixie" www.crescentbeachguitar.com
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