this post was submitted on 27 Apr 2025
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NonCredibleDefense

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Gone, reduced to atoms (lemmy.world)
submitted 1 day ago by [email protected] to c/[email protected]
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[–] [email protected] 0 points 1 day ago (1 children)

Those are actually much saner: 10 cables in a nautical mile and 100 fathoms in a cable.

[–] [email protected] 0 points 1 day ago* (last edited 1 day ago)

Both, nautical mile and metre are derived from earth's dimensions: One nautical mile is an arc second at the equator, i.e. its circumference is 360·60 NM. One metre originally was 1/40000 of the circumference through the poles (or 1/10000 of the distance from a pole to the equator).