Alexis Pigeon wrote:
On 21/05/2008, Daniel Carrera <[EMAIL PROTECTED]> wrote:
I've tried to double-check, but I can't find a source.
Wikipedia is your firend : http://en.wikipedia.org/wiki/Meter
It says :
"1790 May 8 — The French National Assembly decides that the length of
the new metre would be equal to the length of a pendulum with a
half-period of one second."
So originally the length of a meter derived from the duration of a
second, not the opposite.
Fascinating. So the definition of a metre was based on the second for
*one* year. I didn't know that.
Daniel.
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