[ntp:questions] questions Digest, Vol 113, Issue 20

David Taylor david-taylor at blueyonder.co.uk.invalid
Fri Mar 14 16:32:16 UTC 2014


On 14/03/2014 13:47, Jochen Bern wrote:
[]
> Do you remember the headlines a couple months ago when physicists
> thought they had measured particles traveling a percent or so faster
> than the speed of light? That was a clock out of sync by some fraction
> of a second, too. They had miscalculated the correction needed to
> counter the GPS signal's propagation delay from the surface to the
> cavern where the particle detector's master clock sits.
[]
> Regards,
> 								J. Bern

I recall it was a badly seated fibre-optic connector, and it was 
nanoseconds.

-- 
Cheers,
David
Web: http://www.satsignal.eu



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