Clock drift. Not strictly a Linux question.

[Tony Alfrey]

Ric Moore wrote:
> On Fri, 2007-02-16 at 07:59 -0800, Tony Alfrey wrote:
>> Roger Oberholtzer wrote:
>>> It's Friday. Time for a weekend-think-about-it question.
>>>
>>> I think I am doing my maths correct. I am checking a PC's clock against a 
>>> high-end Trimble receiver (> $2000), using the pulse per second signal. 
>>> Unless I am doing something wrong, I seem to see a 0.02 % linear (over the 
>>> time I have looked) drift in the PC's clock (via gettimeofday()) compared to 
>>> the pulse from the GPS. 
>> Silly boy, this is clearly a general relativity problem.  The pulse 
>> you're getting from the GPS is from a geosynchronous satellite, at a 
>> radius of some 25,000 miles, whereas your box is in Sweden (I seem to 
>> remember?), where the Earth's crust is particularly thin and so you are 
>> close to the mantle.  Therefore, the gravitational field at the location 
>> of your box is considerably higher than at the geosynchronous satellite. 
>>   And from general relativity, we know that clocks run slower in higher 
>> gravitational fields.
>>
>> This is also why Swedes age slower than the rest of us.
> 
> I think you're missing the obvious here, Tony... the higher
> gravitational field theory patently explains the relative "bustinous" of
> the Swedish Female. 
> 
> My poor spell checker just flat-lined on that one. <cackles> Ric
>  

What, more bustinous to resist the increased gravitational field?
Or the increased bustinous raises the gravitational field?

-- 
Tony Alfrey
tonyalfrey at earthlink.net
"I'd Rather Be Sailing"