[guest4091]

In the left drawing, using the SR clock synch convention, the axis of simultaneity intersects the A time line at h, the half way point of the round trip time for the light signals. That is adequate reason to define the outbound and inbound times to be equal, which results in a pseudo rest frame with the expected equal transit times.
In the A-frame, the right drawing, the round trip time is the same, whether the relative speeds c±v or c is used. The only uncertainty is time of reflection, R2 or (R2). This can not be verified if there is no absolute speed for the A-frame. The speed in the example is only the perception of the U-frame, and would be different for other frames of reference. Motion is relative to a reference object, and only has meaning in that sense.
Where the SR convention presents a problem, is composition of velocities
.https://app.box.com/s/c4zwx1aym3oi6924y0dzojkjwyf5z66q

[David Cooper]

Is that the same value they use for measuring the speed of Usain Bolt?

Yes - they measure his speed relative to the track, and, thanks to the maths of relativity, it doesn't matter how fast the track is moving. If we can ever find a way to identify the absolute frame though, all records for absolute speed might have to be set in the same week or even day of the year on the equator at altitude, but run a 100m race in the wrong direction and the crowd will be faster than the athletes while sitting down.

[GoC]

Thebox

   Just like there is no preferred frame there is different values for the measurement's of Planck's length for a frame. Plank's length is related to Planck's time in every frame.

[guest39538]

Thebox

   Just like there is no preferred frame there is different values for the measurement's of Planck's length for a frame. Plank's length is related to Planck's time in every frame.

Huh ? planck time is the time it takes light to travel a plank length , however I am not timing it , the light travelling the length is my time I am using.

[guest39538]

Is that the same value they use for measuring the speed of Usain Bolt?

Yes - they measure his speed relative to the track, and, thanks to the maths of relativity, it doesn't matter how fast the track is moving. If we can ever find a way to identify the absolute frame though,

All speed is absolute  to the absolute reference frame I have already explained before but nobody listens. Never mind I am out of here, sick of talking to the wall now , death ears..  I think science is a branch of religion, that is the only thing that makes any sense to why science does not want to listen to me. I kill God and they don't like that to much.

[guest4091]

Is that the same value they use for measuring the speed of Usain Bolt?

It's the only value you would use for a rest frame. There is no reason light speed would vary over the same course if space is uniform in density.
Recalling the train experiment, you toss an object across the aisle to someone opposite you, and they catch it. You don't need to know the train is moving since all objects in the train have the trains velocity. If it is added, it can easily be subtracted.
I.e. any experiment in any inertial frame is independent of what the universe is doing outside that frame.   

[GoC]

The relative physical laws are the same in every inertial frame but the conditions of the different inertial frames are not. The relative energy we measure as time is affected with an increase in velocity. So reaction times differ like your synapsis not firing as fast in greater inertial speed. In this way you do not recognize any difference in reaction rates. Timing changes with your synapsis so the conditions remain the same physical laws relative.

[The Spoon]

Is that the same value they use for measuring the speed of Usain Bolt?

Yes - they measure his speed relative to the track, and, thanks to the maths of relativity, it doesn't matter how fast the track is moving. If we can ever find a way to identify the absolute frame though,

All speed is absolute  to the absolute reference frame I have already explained before but nobody listens. Never mind I am out of here, sick of talking to the wall now , death ears..  I think science is a branch of religion, that is the only thing that makes any sense to why science does not want to listen to me. I kill God and they don't like that to much.

Death ears! Brilliant. Where can I buy some?

[guest39538]

Is that the same value they use for measuring the speed of Usain Bolt?

Yes - they measure his speed relative to the track, and, thanks to the maths of relativity, it doesn't matter how fast the track is moving. If we can ever find a way to identify the absolute frame though,

All speed is absolute  to the absolute reference frame I have already explained before but nobody listens. Never mind I am out of here, sick of talking to the wall now , death ears..  I think science is a branch of religion, that is the only thing that makes any sense to why science does not want to listen to me. I kill God and they don't like that to much.

Death ears! Brilliant. Where can I buy some?

Whoops! I did it again

Sorry I meant deaf, I type as I am thinking it, a sort of ''live'' feed to my thoughts, that is why sometimes it is a bit ''gargled''. 

[The Spoon]

Is that the same value they use for measuring the speed of Usain Bolt?

Yes - they measure his speed relative to the track, and, thanks to the maths of relativity, it doesn't matter how fast the track is moving. If we can ever find a way to identify the absolute frame though,

All speed is absolute  to the absolute reference frame I have already explained before but nobody listens. Never mind I am out of here, sick of talking to the wall now , death ears..  I think science is a branch of religion, that is the only thing that makes any sense to why science does not want to listen to me. I kill God and they don't like that to much.

Death ears! Brilliant. Where can I buy some?

Whoops! I did it again

Sorry I meant deaf, I type as I am thinking it, a sort of ''live'' feed to my thoughts, that is why sometimes it is a bit ''gargled''.

English must be very confusing when it is obviously not your first language! Hence the hilarious use of 'gargled' instead of garbled!

[guest39538]

Is that the same value they use for measuring the speed of Usain Bolt?

Yes - they measure his speed relative to the track, and, thanks to the maths of relativity, it doesn't matter how fast the track is moving. If we can ever find a way to identify the absolute frame though,

All speed is absolute  to the absolute reference frame I have already explained before but nobody listens. Never mind I am out of here, sick of talking to the wall now , death ears..  I think science is a branch of religion, that is the only thing that makes any sense to why science does not want to listen to me. I kill God and they don't like that to much.

Death ears! Brilliant. Where can I buy some?

Whoops! I did it again

Sorry I meant deaf, I type as I am thinking it, a sort of ''live'' feed to my thoughts, that is why sometimes it is a bit ''gargled''.

English must be very confusing when it is obviously not your first language! Hence the hilarious use of 'gargled' instead of garbled!

I kind of think that at times the readers are reading my posts as if I am gargling out the words, mumbling my sentences.  This is because at times I am not focused on what I am writing, I am focused on the thought and ''jotting'' it down .

The problem is though, my brain seems endless in thoughts. However the way I write things, does not really affect the ideas.  I do explain a lot better these days .

[xersanozgen]

1- White box is a remote control unit buttons. Connections are obtained with cables (lengths must be equal).
2- Led/light markers are on the monitors of atomic clocks.
3- Atomic clocks are on the same altitude and temperature and isolated from magnetism. (It can be used the corner points of a stadium)
4- Button 1 begins the video cameras.
5- Button 2 shots led/light markers.
6- Button 3 ends the experiment.
7- The moments T i are read on video films for first  or last moments of  light markers.
8- The difference of syncronisation can be interpreted.
9- The image of left clock on right top camera is the moment Tı and the image of right clock on right lower camera is the moment T2.
10- İnverse readings are for confirmation.

Note top cameras are televideocameras (e.g. 150x - 500x).

My experiment solves all problems.

The atomic clocks are placed on the corners of a stadium ( L = 100 meters).

led markers flash at a  same moment  due to cables (their lengths are equal).

Even if the atomic clocks are not syncronized, left and right videos provide correcting possibility.

The theoretical essence of this experiment (https://vixra.org/abs/2006.0224) allows to detect the expanding speed of universe; thereby a person who performed this exp. may be candidate for NOBEL prize.