Why does a second last… well… a second?

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Who, how and when decided to count to a second and was like “Yup. This is it. This is a second. This is how long a second is. Everybody on Earth will universally agree that this is how long a second is and use it regardless of culture, origin, intelligence or beliefs”?

In: 1035

18 Answers

Anonymous 0 Comments

Day split into 24h, one hour split into 60 minutes, one minute split into 60 seconds.

12 was a nice number.
60 was a nice number.

then someone thought to take some atom constant to define one second exactly the same for everyone and for eternity.

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