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.
Again in your subsequent discussion about Bob and Alice you are discussing well known
effects of SR with regards to CLOCK time. But the point I keep hammering home is that
all these SR effects occur to every observer only in the present moment. And when any
observers meet up they always share that same present moment, therefore it must be
common and universal.
And I keep pointing that what they share is an *event*: the event of being the same place
at the same time. That doesn't imply anything about a global P-time. The event of me
being at my home in California now and the event of Liz being in her New Zealand home now
may be before or after one another depending the state of motion of the coordinates used
to define before and after.
Of course Bob and Alice have different relativistic views of clock time, but everyone of
these views occurs always in their present moment, and these present moments are always
exactly the same
Exactly the same as what? The same as the moment they meet - sure? The same as the moment
that others are meeting at other spacelike events - no.
Brent
whenever any observers meet up anywhere in the universe, therefore it is clear that
present moment must be common to all observers.
Edgar
On Wednesday, December 25, 2013 11:52:10 AM UTC-5, Edgar L. Owen wrote:
All,
ST=spacetime, c=speed of light, thus STc Principle.
To answer some of Jason's questions. Block time is wrong. Only the common
present
moment exists. All the comments Jason makes refer only to differences in
clock times
which are well known, but the important point is that all those differences
in clock
time occur in the SAME common present moment.. I find it difficult to
understand why
so many people can't get their minds around the difference which proves
there are
two distinct kinds of time.
The past exists only as inferences from the present as to what states would
have
resulted in the present according to the currently known laws of physics.
Therefore
the past is actually determined by the present state of reality from the
perspective
of the present which is the only valid perspective. Therefore the logical
network of
past and present is absolute 100% exact and could not have been different
in even
the slightest detail. The actual currently state of the universe falsifies
the very
possibility of other pasts. This is another difficult concept for many.
Only the future is probabilistic because it does not yet exist and has
never been
computed. But the past - present logical state has been actually computed
and thus
is completely deterministic now that it exists and it could not have been
different
in any minute detail at all.
This solves the problem of the original fine tuning. Given the current
state of
reality which is all that exists, all other conceivable fine tunings are
impossible.
This is what I call the 'Super Anthropic Principle', and it negates the
necessity
and probably the actuality of postulating any multiverses and strongly
implies our
observable universe is most probably the only one that exists.
Edgar
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