Mailinglist Archive: opensuse (4498 mails)

[Anders Johansson <andjoh@xxxxxxxxxx>]

On Sunday 26 November 2006 23:40, Randall R Schulz wrote:
> On Sunday 26 November 2006 13:55, Darryl Gregorash wrote:
> > On 2006-11-26 15:16, Randall R Schulz wrote:
> > > ...
> >
> > They are actually highly subjective -- they all depend on a specific
> > measuring apparatus which depends crucially on the electromagnetic
> > interaction (the only one we can observe directly). To suggest that
> > the gravitational interaction must necessarily have the same
> > fundamental definition of length (or time) is highly presumptive,
> > hence subjective.
>
> I don't know what you mean by "gravitational interaction ... hav[ing]
> the same ... definition of length."

The wording is a bit odd, but my guess is he is referring to relativistic 
effects. A metre is only a metre in your own frame of reference, if someone 
else carries a metre stick but travels relative to you, you will not measure 
the stick as one metre because of contraction in the direction of travel

And yes, this is off topic, even for a sunday evening
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