> > Leap seconds are to align the artificial and very stable atomic timescale > > with the irregular and slowing rotation of the earth. > > You are assuming facts not in evidence. The rotation is merely irregular w= > ithin the capabilities of our scheme of measurement, calculation, and obser= > vation. Once upon a time eclipses of the sun and moon were "random magic",= > before the mechanism was understood. So to the periodic cycles of the rot= > ation of the earth about its axis, the planet about the sun, etc., are view= > ed as "magical". This is not due to magic, but rather limitations of under= > standing.
Earth is 10e-8 in frequency, a nanosecond a day is kindof 10e-14 on frequency. Tom has done the work to document it.. http://www.leapsecond.com/museum/earth/ --Peter