Celsius is defined at the arbitrary standard pressure, different pressure values change how water acts (this is very noticeable at 100C - boiling). Kelvin steps are defined from Celsius. Even the speed of light which is constant is still defined in terms of an arbitrary time unit.
Seconds are clearly defined by one specific caesium-133 transition
The second […] is defined by taking the fixed numerical value of the caesium frequency, ΔνCs, the unperturbed ground-statehyperfine transition frequency of the caesium 133 atom, to be 9192631770 when expressed in the unit Hz, which is equal to s−1
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Celsius is defined at the arbitrary standard pressure, different pressure values change how water acts (this is very noticeable at 100C - boiling). Kelvin steps are defined from Celsius. Even the speed of light which is constant is still defined in terms of an arbitrary time unit.
Seconds are clearly defined by one specific caesium-133 transition
@30p87 @bluGill @WolfLink @einkorn Wow wow guys… that’s just RRDTool doing its thing with graphs 😆