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Old Sep 25th 2019, 08:03 AM   #61
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Try to uncover what's the full physical meaning of the 4th dimension. then, go ahead in history.
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Old Sep 25th 2019, 08:34 AM   #62
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Poop

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Old Sep 30th 2019, 04:37 PM   #63
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Red face math vs physics

neila9876 @ rabbit htam9876:
This semi-tramp come here to tell you a good news: that dragon said again in the Lounge that he likes bunny...

Rabbit htam9876 @ neila9876:
Be careful. It's fishy. I told you a bad news: that dragon posted a link here, but it doesn't work. He said "...there is a lot more going on than what X4 can handle."
I ask you a question: can affine geometry handle everything? such as QM?

neila9876 @ rabbit htam9876:
I can give you the best answer: I don't know.
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Old Sep 30th 2019, 08:05 PM   #64
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Originally Posted by neila9876 View Post
neila9876 @ rabbit htam9876:
This semi-tramp come here to tell you a good news: that dragon said again in the Lounge that he likes bunny...

Rabbit htam9876 @ neila9876:
Be careful. It's fishy. I told you a bad news: that dragon posted a link here, but it doesn't work. He said "...there is a lot more going on than what X4 can handle."
I ask you a question: can affine geometry handle everything? such as QM?

neila9876 @ rabbit htam9876:
I can give you the best answer: I don't know.
The link should have worked. It works for me, anyway. Here's the address: https://en.wikipedia.org/wiki/Projective_geometry.

Can affine geometry handle everything? Of course not. Much of what I've seen of Differential Geometry (the Mathematics of both SR and GR) often deals with many different geometries. If you take a look at the (admittedly horrible) Mathematical stucture of these theories, especially applied to QM, you can easily see that affine geometry is not always used.

I suppose I need to ask you a question (which will determine any comments on my part in dealing with this): Do you know what affine geometry is? I posted the link about projective geometry but I never asked you how much you know about the affine stuff.

-Dan
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Old Sep 30th 2019, 09:38 PM   #65
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"...Do you know what affine geometry is? I posted the link about projective geometry but I never asked you how much you know about the affine stuff."
.....................
Again this semi-tramp has to say that that dragon is a ...
Seems that dragon at last understands what this semi-tramp is: not a professional researcher/scholar but just a guy who is curious in physics/astronomy.
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Old Sep 30th 2019, 10:43 PM   #66
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Originally Posted by neila9876 View Post
Seems that dragon at last understands what this semi-tramp is: not a professional researcher/scholar but just a guy who is curious in physics/astronomy.
I've been aware of that for some time. However you are very insistent that X4 has at least a large set of "the answers" to the point that you have disagreed rather loudly when I bring up something contrary to what X4 would say.

Please understand that I'm not actually against you in any way, but if you keep writing this stuff I have to say something about it. I've ended up p!ssing off a bunch of people due to this policy but I have to keep some level of theoretical and experimental continuity for the other members as well.

-Dan
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Old Oct 1st 2019, 01:02 AM   #67
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Red face theory vs experiment

neila9876@rabbit htam9876:
That dragon said:"...theoretical and experimental continuity..."
Good topic.
It's time to research your case 2. Is there any experiment to verify that no electromagnetic radiation generated? It seems that what you said last year was a bit based on the traditional theory?

Last edited by neila9876; Oct 1st 2019 at 04:07 PM. Reason: correct word
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Old Oct 1st 2019, 08:16 AM   #68
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Originally Posted by neila9876 View Post
neila9876@rabbit htam9876:
That dragon said:"...theoretical and experimental continuity..."
Good topic.
It's time to research your case 2. It there any experiment to verify that no electromagnetic radiation generated? It seems that what you said last year was a bit based on the traditional theory?
I presume you mean this?
Case 2: He make the electron move in constant speed along a radial direction of the proton.
I don't actually know how the QM version deals with this. Without going into the details, in Classical Electrodynamics we can say photons are emitted because as charged particles (usually electrons) move in an arc the electric field develops a "kink" in the field lines. This kink is the photon.

-Dan
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Old Oct 1st 2019, 04:03 PM   #69
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Red face theory vs experiment

Rabbit htam9876 @ neila9876:
It's very tough struggling between tradition and innovation...

Neila9876 @ rabbit htam9876:
Yes, I know that...
Yesterday, I intended to go to Shapu village to take a look. Again, I suspended the trip. Now this semi-tramp becomes a serious researcher. haha...
I have been thinking about designing an experiment to verify if electromagnetic radiation happens in your case 2, but I feel it's very hard to do that...

Rabbit htam9876 @ neila9876:
You can try an alternative shceme: replace the charges with two charged balls. Fix one ball on the ground and move the other ball...

Neila9876 @ rabbit htam9876:
Yes, I have thought about it too.
But the electric force is changing when the charged balls moves relatively, it's very hard to adjust the force exerted on the moving ball synchronously and presicely...
..............................
Rabbit htam9876 @ neila9876:
It's strange that when you talk experiment, that dragon talks theory, fairy classical theory...And more strange is did I say the electron moves in arc in case 2?
Neila9876 @ rabbit htam9876:
I can tell you the best answer: I don't know.
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Last edited by neila9876; Oct 1st 2019 at 04:08 PM. Reason: correct word
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Old Oct 4th 2019, 04:36 PM   #70
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Talking theory vs experiment

Rabbit htam9876 @ neila9876:
You can do an easier experiment for case 4 first:
Ask a bunch of rabbits to bounce forward and backward in front of a charged ball fixed over the ground and detect if electromagnetic radiation happens...
Neila9876 @ rabbit htam9876:
You must come and watch, please.
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Last edited by neila9876; Oct 4th 2019 at 04:38 PM. Reason: correct word
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