> so they found something to base it off of, wooptie fucking dew.  the unit made that way so you can define it objectively without variablity > its no different from some kings foot very different, the king will eventually die and be forgotten such may led to dispute, as for the circumference of the earth will remain same as long as humans aren't extinct. the same can be said regarding a kilogram defined as the mass of 1/1000 m3 or 1000 cubic centimetre of distilled water at 4c
Jihadi