this post was submitted on 02 Feb 2024
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There is no common metric measure of time.
Edit -common
I'm sorry, can you restate that in terms of the number of ground state transitions of a Cs-136 atom?
The second is one of the 7 fundamental units
https://en.m.wikipedia.org/wiki/International_System_of_Units
Yes it is, but SI is not all metric. Metric is fundamentally a base 10 system. Time is base 60 you can probably thank the ancient Sumerians for that but there's some debate.
At one point the French tried to make metric time a thing but it didn't stick.
https://en.m.wikipedia.org/wiki/Decimal_time
Short times are always given in scales of 10 for seconds (ms, μs, ns). And long ones can be too.
And machinists in America use decimal inches, but I don't think anyone would say that inches is metric.
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