Professor vs. student: Discussion on God

[ajazali]

Re: Professor vs. student: Discussion on God

@yazdi

Time = dimension in which events can be ordered from the past through the present into the future.

second = 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.

well, this is what they selected, why didnt they select 144 atoms instead of 133?
this is how they defined a unit of second, what is logic behind selecting this specific length?