;AU}F,)~XK_UBA>2'V72
SYSTEM PROCESSING...
;AU}F,)~XK_UBA>2'V72
SYSTEM PROCESSING...
Posted: 2025-04-12 20:36:15 UTC
This article contains some claims that remain unverified. While much of the content may be accurate, exercise care when relying on this information.
This article contains some claims that remain unverified. While much of the content may be accurate, exercise care when relying on this information.
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Last Updated
2025-04-12 20:36:32 UTC
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Rollup News
The image defines one second as the time duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the fundamental unperturbed ground-state of the caesium-133 atom.
Definition of one second
Time duration of 9,192,631,770 periods
Radiation corresponding to the transition between two hyperfine levels
Fundamental unperturbed ground-state of the caesium-133 atom
Understanding the physics behind the definition of a second