On 12/26/2013 1:57 PM, LizR wrote:
On 27 December 2013 08:36, meekerdb <meeke...@verizon.net <mailto:meeke...@verizon.net>>
wrote:
On 12/26/2013 4:49 AM, Edgar L. Owen wrote:
Hi Jason,
The STc Principle conclusively falsifies block time, since the fact that
everything
continually travels through spacetime all the time requires everything to
be at one
particular position in spacetime all the time. This is confirmed by direct
experience, that we are always at a single point in spacetime. How could it
be
otherwise? The notion of block time is based on a misunderstanding of SR.
Believers in block time need to offer an alternative explanation (than the
one I
give above) for the self-evident fact that we all experience our existence
in a
common present moment which they are unable to do.
How do you know we experience our existence in a common present moment?
LizR in New
Zealand is some tens of milliseconds away from me in California. If we try
to
synchronize our clocks we will have to assume we're not moving relative to
one
another, i.e. that we are in the same inertial frame. If we were moving
relative to
one another the synchronization will be different.
We are in fact moving relative to each other, possibly by several 100 km/hr (my
visualisation is a bit shaky, even though I have a handy globe...)
If I pick someone at the antipodes, and say we're both on the equator, they are moving
at the same speed as me in the opposite direction (relative to the Earth's centre) which
in this case is about 1000 m.p.h. so our combined relative velocity is around 2000 m.p.h.
Right. That's why GPS defines coordinates in ECEf: Earth Centered Earth
*Fixed*.
Brent
Excuse me I have to lie down for a moment.
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