Invariance of Light

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21 years 3 months ago #6379 by Jan
Replied by Jan on topic Reply from Jan Vink
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The elimination of one-way experiments as candidates (because of clock synchronization requiring an assumption about light-speed), and the failure for all the people in the world (thinking hard about how to do this) to come up with an experiment, has convinced me and others that no such experiment is possible.
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This is exactly what is so frustrating. SR has "killed" any creativity in the search for a possible light and/or information transmitting substance. We are already so "brainwashed" to think that "time" and "lengths" are scalable at will. If we want to use clocks and separate them for measurement, then SR says we can't do it. If we want to measure lengths then SR says we can't do it. I don't think that a remarkable geometric theory such as SR has done us really any good. It is hard to believe that a one-liner of pythagoras "(ct)^2=(ct')^2+(vt)^2" is the whole story. Of course, effects predicted by SR have been measured, but as far as I've read, they were already theorized before Einstein came into the picture. Isn't there some sort of a certain aspect of SR that can be compared to monopolism and bad public relations? Does it really matter whether SR is true or not, but is it not whether SR is to be believed?

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21 years 3 months ago #6380 by hal
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[TVF]Forget the connection between rim and center. The laser sees a center traveling past relative to a starry background. If the laser hopes to hit the moving center, it had better aim ahead of the center for the same reason a hunter must aim ahead of a flying duck.
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According to SR, the whole system can be considered at rest, and everything rest moving. In this case an observer at the center of the platform will see the laser beam allways hitting the center (considering the center as a point). Then it is enough only to take into consideration the idea of any relative motion, and the beam will miss the center, due to the finite speed of light. All this may look like a paradox, but is a routine in recent quantum mechanics experiments where the observer and the observed are considered as a whole.

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21 years 3 months ago #6382 by Jim
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In this view isn't it true the center will be missed if the laser is not aimed right and so the observer at the center will never see the light from the laser? It would miss the center and be seen at the rim near the opposite side wouldn't it?

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