[time-nuts] Neutrinos not so fast? (defectove connector)

Azelio Boriani azelio.boriani at screen.it
Wed Feb 22 21:24:28 UTC 2012

It depends on the meaning of "bad" connection... was it not correctly
seated in the connector and so "distant" from the optical receiver? We
don't know... hope someone can tell or the experiment be repeated.

On Wed, Feb 22, 2012 at 9:41 PM, Marco IK1ODO <ik1odo at spin-it.com> wrote:

> From
> http://news.sciencemag.org/scienceinsider/2012/02/breaking-news-error-undoes-faster.html?ref=hp:
> BREAKING NEWS: Error Undoes Faster-Than-Light Neutrino Results
> ...
> It appears that the faster-than-light neutrino results, announced last
> September by the OPERA collaboration in Italy, was due to a mistake after
> all. A bad connection between a GPS unit and a computer may be to blame.
> Physicists had detected neutrinos travelling from the CERN laboratory in
> Geneva to the Gran Sasso laboratory near L'Aquila that appeared to make the
> trip in about 60 nanoseconds less than light speed. Many other physicists
> suspected that the result was due to some kind of error, given that it
> seems at odds with Einstein's special theory of relativity, which says
> nothing can travel faster than the speed of light. That theory has been
> vindicated by many experiments over the decades.
> According to sources familiar with the experiment, the 60 nanoseconds
> discrepancy appears to come from a bad connection between a fiber optic
> cable that connects to the GPS receiver used to correct the timing of the
> neutrinos' flight and an electronic card in a computer. After tightening
> the connection and then measuring the time it takes data to travel the
> length of the fiber, researchers found that the data arrive 60 nanoseconds
> earlier than assumed. Since this time is subtracted from the overall time
> of flight, it appears to explain the early arrival of the neutrinos. New
> data, however, will be needed to confirm this hypothesis.
> ....
> Well, timenuts friends, how may a fiberoptic bad connection explain 60 ns?
> Hmmmmmm.....
> Marco IK1ODO
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