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Measurement

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We know that at the time, the constant for a yard was the length from the King of Englands nose to the tip of his fingers.

 

What constant is the basis for the meter?

I'll have to make the next one tougher!

 

A riddle really is not that hard, if you base it on a well known fact. But for your effort have a +.

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A riddle really is not that hard, if you base it on a well known fact. But for your effort have a +.

Thank you. So technically, the meter is defined as the length of the path traveled by light in a vacuum during a time interval of 1/299,792,458 of a second, defined at the 17th CGPM in 1983.

 

So, my next question will likely be what is a second? :D

 

the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom.

 

Here's my source

 

Interesting question... and ultimately the answer is one of the best!!

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