Are these arrows indicating the spin of electrons?

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    Electrons Spin
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The discussion centers around a diagram that appears to show arrows related to the spin of electrons. Participants express uncertainty about the diagram's meaning and seek clarification and context. One user initially requests a description and a link to the source of the image. Ultimately, another user indicates they have found the answer to their question. The conversation highlights the importance of accurate interpretation of scientific diagrams.
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Image source: at 02:30
 
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What does this diagram show? I could make a wild guess, but then I'd waste my time and yours if it turned out I was wrong. Can you describe it for us, and maybe give us a link to the page where it came from?
 
jtbell said:
What does this diagram show? I could make a wild guess, but then I'd waste my time and yours if it turned out I was wrong. Can you describe it for us, and maybe give us a link to the page where it came from?

Image source: at 02:30
 
Nevermind, Got the Answer
 
Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

So here is the motional EMF formula. Now I understand the standard Faraday paradox that an axis symmetric field source (like a speaker motor ring magnet) has a magnetic field that is frame invariant under rotation around axis of symmetry. The field is static whether you rotate the magnet or not. So far so good. What puzzles me is this , there is a term average magnetic flux or "azimuthal mean" , this term describes the average magnetic field through the area swept by the rotating Faraday...
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Thread 'Why measure the speed of light in one direction?'

It may be shown from the equations of electromagnetism, by James Clerk Maxwell in the 1860’s, that the speed of light in the vacuum of free space is related to electric permittivity (ϵ) and magnetic permeability (μ) by the equation: c=1/√( μ ϵ ) . This value is a constant for the vacuum of free space and is independent of the motion of the observer. It was this fact, in part, that led Albert Einstein to Special Relativity.
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