On 07/08/2014 4:52 AM, Lester Caine wrote:
It's only now we have a stable time source that we see the problem ... and that is perhaps because someone got the duration of a second wrong? Add a few more cycles to a second as they would have done 100 years ago by resetting the Greenwich clock :)

No, it's the length of the earth day that is changing over time as earth's rotation slows due to natural forces. http://www.washingtonpost.com/national/health-science/why-in-the-jurassic-era-an-earth-day-may-have-been-only-23-hours-long/2013/09/23/a75c548a-f2dc-11e2-ae43-b31dc363c3bf_story.html


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