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Notion of Time in Physics without Relativity
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Bilge
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Joined: 30 Apr 2005
Posts: 2816

PostPosted: Sun Jun 25, 2006 7:26 pm    Post subject: Re: Notion of Time in Physics without Relativity Reply with quote

GSS:
Quote:
Tom Roberts wrote:
GSS wrote:
Do you still believe that the measure of time changes in planes,
satellites and space ships?

If you want to examine your beliefs, you are not doing physics.

To question one's deep seated beliefs and dogmas is the beginning of
Philosophy. And Philosophy must be the guiding spirit while doing
Physics.

To those
of us doing physics, _measurements_ are important, not beliefs. Clocks
have been _measured_ to vary in tick rate when placed in planes and
satellites, as compared to a standard clock such as USNO. We don't have
suitable clocks and space ships to test, but there's no reason to expect
they would be any different.

The prime reason is the invalidity of second postulate of SR.

The second postulate is irrelevant to special relativity. The
second postulate is only relevant to the validity of maxwell's
equations.

[...]
Quote:
Your "imagination" is likewise not physics.

The imagination is akin to a computer simulation of a situation or
process. If you don't have necessary information with you about the
relevant situation or process, you cannot imagine that situation or
process. And acquiring relevant information is the preliminary step in
doing Physics. If you are doing Physics without imagination then 'God'
save the Physics.

All imagination is not created equal. Imagination in science is
subject to experimental validation in proving its usefulnes. If
you have a problem with that, write science fiction.

[...]

Quote:
In Cs atomic clock, the main oscillator is electronically locked to the
ground state hyperfine transition resonance of Cs-133 atom and
9192631770 cycles of this resonance are used to define one second of
time. This transition resonance frequency is electronically divided
down and used in a feed back control circuit (servo-loop) to keep a
quartz crystal oscillator locked to a frequency of 5 MHz which is the
actual output of the clock. Kindly clarify whether in your opinion, the
Relativity corrections are applied to these atomic clocks in,
(a) Adjusting the hyperfine transition resonance of Cs-133 atoms?

You cannot ``adjust'' the transitions of an atom (unless you know
how to alter the electromagnetic coupling constant, and just forgot
to publish that amazing discovery).

Quote:
(b) Adjusting the servo-loop feed back control circuitary?
(c) Adjusting the output of the clock by some other means?

The only ``adjustment'' is peaking the resonance. Nature determines
the resonance.

Quote:
(d) Adjusting the digital output readings of the clock during data
processing?

Apparently, you do not understand the concept of defining a standard of
measurement. The number of cycles counted does not depend on any model
(except a definition of the integers, if you want to call counting a
model). A second is _defined_ as 9192631770 cycles, regardless of anything
else.
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