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James Hasty's latest activity
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James Hasty
replied to the thread
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Synchronizing clocks in an inertial frame if light is anisotropic
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I agree this works, but only because you have defined the convention for the 1-way speed of light in both directions.
Sep 30, 2025
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James Hasty
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cianfa72's post
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Synchronizing clocks in an inertial frame if light is anisotropic
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Just to clarify the point, I drew the following diagram. The base grid ##(x,t)## represents of course the standard inertial coordinate...
Sep 30, 2025
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James Hasty
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Dale's post
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Synchronizing clocks in an inertial frame if light is anisotropic
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That is good work. It is much more difficult to do than it appears at first glance.
Sep 30, 2025
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James Hasty
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cianfa72's post
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Synchronizing clocks in an inertial frame if light is anisotropic
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Yes, as far as I can tell the key point is that basically, before the exchange of light signals between observer A and B takes place, it...
Sep 30, 2025
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James Hasty
replied to the thread
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Synchronizing clocks in an inertial frame if light is anisotropic
.
The purpose of my post was to demonstrate a way to synchronize two clocks located in the same inertial frame. I thought this would be...
Sep 29, 2025
J
James Hasty
reacted to
Dale's post
in the thread
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Synchronizing clocks in an inertial frame if light is anisotropic
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Indeed, if I am reading my notebook correctly the Lagrangian for a free particle in an Anderson synchronized frame is $$L=-(\dot...
Sep 29, 2025
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James Hasty
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pervect's post
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Synchronizing clocks in an inertial frame if light is anisotropic
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I'd like to expand on my earlier point. Suppose we have some frame in which Newton's laws work. Two equal masses moving in opposite...
Sep 29, 2025
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James Hasty
reacted to
pervect's post
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Synchronizing clocks in an inertial frame if light is anisotropic
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As long as you don't believe that your clock synchronization has any physical significance, in particular as long as you don't address...
Sep 29, 2025
J
James Hasty
reacted to
Dale's post
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Synchronizing clocks in an inertial frame if light is anisotropic
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Indeed, to be clear post a spacetime diagram with each event labeled and each signal indicated. And perform your calculations using one...
Sep 19, 2025
J
James Hasty
replied to the thread
I
Synchronizing clocks in an inertial frame if light is anisotropic
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Let's be clear on definitions: The 2WSOL can be calculated by timing a reflected light beam using 1 clock. For example: A sends a signal...
Sep 19, 2025
J
James Hasty
replied to the thread
I
Synchronizing clocks in an inertial frame if light is anisotropic
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An observer can only know that if the 1WSOL is isotropic. I am assuming it is not.
Sep 19, 2025
J
James Hasty
replied to the thread
I
Synchronizing clocks in an inertial frame if light is anisotropic
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That is for the 2WSOL (2-way round trip of light), which is a given because it is true. I am assuming the 1WSOL is anisotropic.
Sep 19, 2025
J
James Hasty
replied to the thread
I
Synchronizing clocks in an inertial frame if light is anisotropic
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In the introduction, "it is given" that the average speed of light is c for the 2WSOL . Then t[B2] - t[B1] = 2L/c.
Sep 19, 2025
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James Hasty
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Synchronizing clocks in an inertial frame if light is anisotropic
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Special and General Relativity
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ASSUMPTIONS 1. Two identical clocks A and B in the same inertial frame are stationary relative to each other a fixed distance L apart...
Sep 19, 2025
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James Hasty
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Sagittarius A-Star's post
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Why measure the speed of light in one direction?
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This must be true, because the definition of such coordinates is based on the Einstein clock synchronization, that means on the...
Sep 15, 2025
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