Pat, Jon & All:
If we were invent a new
"decimal" second such that there are 100 000 or 240 000 seconds in a day
then would Mars.....
Both possibilites work well; and have the potential to DEFINE *Nautical
Kilometre*. We live on Earth and till then, must adhere to improve upon -
What can be done to make our life better? It is the impact on human mind and
the COST of changeover that need be the 'deciding factor'.
The *simplest, easiest & cheapest* can be seen through: 240000 decimal
second to day & tied with length unit (m') - 1/10^5th of the Degree'.
Brij Bhushan Vij
(Sunday, Kali 5106-W40-00)/D-017(Tuesday, 2006 January 17H12:16(decimal) ET
Aa Nau Bhadra Kritvo Yantu Vishwatah -Rg Veda
Jan:31; Feb:29; Mar:31; Apr:30; May:31; Jun:30
Jul:30; Aug:31; Sep:30; Oct:31; Nov:30; Dec:30
(365th day of Year is World Day)
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From: Pat Naughtin <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
To: "U.S. Metric Association" <[email protected]>
Subject: [USMA:35709] Re: decimal time
Date: Tue, 17 Jan 2006 15:51:36 +1100
Dear Jon,
You make an interesting point when you say:
On 16/01/06 11:48 AM, "Jon Saxton" <[EMAIL PROTECTED]> wrote:
> If we were invent a new
> "decimal" second such that there are 100 000 or 240 000 seconds in a day
> then would Mars colonists be justified inventing their own slightly
> longer version to accommodate Mars's longer day? Would we have
> different "local" seconds on Earth, Mars and Titan?
This was one of the thoughts behind the original developers of the metric
system seeking natural¹ standards for the metric system. They wanted the
metric system to be international and separated from politics so that the
English measures would be the same as the French measures and: For all
people for all time¹.
They were well aware that if the standards were not natural¹ then they
could be influence by political whimsy as they had been in the past when,
for example, you got a new king with a longer or shorter foot.
Since 1793, with the decision to base the length of the metre on a quadrant
of the Earth, this effectively removed national governments from metrology
processes especially the setting of standards. Even the governments of the
UK and the USA recognise this by having their traditional names for old
measures actually defined in terms of the natural¹ units of the metric
system. They both use metric inches (exactly 25.4 mm), metric feet (exactly
304.8 mm), and metric yards (exactly 9.144 metres).
Each day the English drive miles defined in metres and drink pints of beer
defined in millilitres, while in the USA, people watch football where the
main scoring is done over an exact distance of exactly 9.144 metres.
It¹s called hidden metric¹.
Cheers,
Pat Naughtin
PO Box 305 Belmont 3216
Geelong, Australia
61 3 5241 2008
[EMAIL PROTECTED]
http://www.metricationmatters.com
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