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# Converting units of measure

## Converting units of measure - Physics Forum

### Converting units of measure - Physics Forum. Discuss and ask physics questions, kinematics and other physics problems.

#1
06-14-2004, 11:42 PM
 Donald G. Shead Guest Posts: n/a
Converting units of measure

According to metrics; the English units of measurement have a major
drawback; in the complexity of converting from one unit to another:
Now of course that is true for converting units of Length into units
of Force, and/ or units of Time, and would indeed require some kind of
magic; but converting units of length into longer or shorter English
units of length is easy; just by moving the decimal point; one or more
places to the left or right.

Whereas the metric system has a different name for every single
decimal point, the English system reserves different names like
inches; feet, yards, and rods for special purposes, and generally uses
the foot as the standard; a standard that has wide application.

switching to the "much simpler" metric system. There are outstanding
proposals to do away with the U.S. Customary System and replace it
with the metric system. The majority of countries are in the process
of this expensive replacement even as I write:

All that's missing is the cooperation of U.S. citizenry: We all know
how we hate and suspect changes. "If it ain't broke, don't fix it",
and the foot-pound system certainly isn't broken: Its able to give
decimal accuracy equal to any system that ever was, or ever will be.
Let's keep it

The metric SI system definitions, standards and specifications require
constant tinkering, and they never _will_ get them right: Even if they
resolve the contradiction between force and mass, the newton is too
small, and the meter stick is too long!
#2
06-15-2004, 12:11 AM
 Uncle Al Guest Posts: n/a
Converting units of measure

Hey Dumb Donny shitHead, tell us how many troy ounces of water are in
a cubic statute mile of water - or bushels, or drams, or pecks, or
gallons, or pounds, or slugs, or short tons, or long tons, or cubic
inches of of water.

There are 10^12 milliliters in a cubic kilometer - consistent volume
and mass all in one neat package.

Idiot.

--
Uncle Al
[Only registered users see links. ]
(Toxic URL! Unsafe for children and most mammals)
"Quis custodiet ipsos custodes?" The Net!
#3
06-15-2004, 12:13 AM
 Sam Wormley Guest Posts: n/a
Converting units of measure

[Only registered users see links. ]

For example, how many picoacres is your cpu chip?

Tinkering folks are not. Befuddled, Shead you are.
#4
06-15-2004, 01:33 AM
 Symon Guest Posts: n/a
Converting units of measure

10^15 actually.
cheers, Syms.
"Uncle Al" <[Only registered users see links. ].net> wrote in message
news:[Only registered users see links. ].net...

#5
06-15-2004, 04:00 AM
 The Ghost In The Machine Guest Posts: n/a
Converting units of measure

<[Only registered users see links. ]>
wrote
on 14 Jun 2004 16:42:03 -0700
<[Only registered users see links. ] >:

How many pounds, inches, or seconds in the light output of a 100W
light bulb?

--
#191, [Only registered users see links. ]
It's still legal to go .sigless.
#6
06-15-2004, 08:24 AM
 Saverio Trioni Guest Posts: n/a
Converting units of measure

Actually SI has an advantage: for the "classical" measures it is similar
to one of the system people used from the ancient times. BUT, if we are
looking for a perfect measure system, y will propose one where
1) speed of light is 1 (maybe multiplied by a power of 10)
2) radius of proton is 1 (same comment) [this can be read: mean
amplitude of proton's Schrodinger wavefunction]
3) mass of neutrin is 1 (same)
4) charge of an electron is 1
5) magnetic field in the center of a mass 1 black hole rotating at
angular speed is 1
etc..

it's a nonsense that such universal and fundamental constnts are so
unprecisely defined by a modern measure system. Actually when you work
in a high-speed environment, with special or general relativity,
everything works better if you measure speeds puttig c=1 so M=E.
#7
06-15-2004, 10:38 AM
 Donald G. Shead Guest Posts: n/a
Converting units of measure

Uncle Al <[Only registered users see links. ].net> wrote in message news:<[Only registered users see links. ].net>...

Big Deal Unk; we all know you is one smart kookie.
#8
06-15-2004, 10:49 AM
 Donald G. Shead Guest Posts: n/a
Converting units of measure

Sam Wormley <[Only registered users see links. ]> wrote in message news:<[Only registered users see links. ]>...
Yes; that's something we all need to know.

#9
06-15-2004, 10:51 AM
 Donald G. Shead Guest Posts: n/a
Converting units of measure

The Ghost In The Machine <[Only registered users see links. ]> wrote in message news:<[Only registered users see links. ]>...

Haven't you got off enough on that subject yet?
#10
06-15-2004, 10:55 AM
 Dik T. Winter Guest Posts: n/a
Converting units of measure

In article <[Only registered users see links. ] > [Only registered users see links. ] (Donald G. Shead) writes:
....

Gradually? Majority? Can you name more than three countries in the
process of this expensive replacement?
--
dik t. winter, cwi, kruislaan 413, 1098 sj amsterdam, nederland, +31205924131
home: bovenover 215, 1025 jn amsterdam, nederland; [Only registered users see links. ]

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