On 7/14/11 6:40 AM, J. Forster wrote:
So?
That statement clearly imlies the Earth's period was shortened aganst some
standard.
If the Earth was the standard, how could it be shortened with respect to
itself?
It can't be. Time standards are atomic now.
-John
You've raised an interesting philosophical issue. And worthy of
time-nuts, striking at the core of "what is time"..
And, as it happens, Richard's office is next to a friend of mine at
work, so I will bring it up. Perhaps we can strive for more precision
(or is it accuracy?) in the press release. (rigor of terminology, anyway)
I like this comment:
"may actually be large enough to observe if scientists can adequately
remove the larger effects of the atmosphere and ocean from the Earth
rotation measurements."
From what I've heard.. the difficulty of "adequately remove" is pretty
large. Basically, they assume the earth is stable and whatever happens
is the result of those effects.. that is, they use it to measure the
effects.
Measuring day length or axis direction is more of a "average over many
many years" kind of proposition.
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