Hermione Wrote:
-.
>
> The metre, meanwhile,
> [
en.wikipedia.org], was not
> defined until 1791. I know of no evidence that
> such a dimension was known in AE. The modern
> definition is:
>
>
Quote
... one ten-millionth of the distance from
> the equator to the North Pole along a great circle
> ...
Superseded nowadays by: The meter is defined as the length of the path travelled by light in a vacuum during a time interval of 1/299,792,458 of a second.
> I don't think the AE could have figured that out either!
Of course the fringe will say its evidence that aliens were telling them things!
