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Would anyone suggest your own idea about what actually spin it is? I can not form an image

in my head about spin...

Spin is vector, can be 1/2 can be 1, and if say it is 1/2, then Spin's Z component can be -1/2 or +1/2 ...??!! and the magnitude of spin vector is:

|S| = sqrt(S(S+1)) ???!! how to really really understand it?

Please leave your own idea, it will be great helps!

Thanks in advance!

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# Help with Spin.

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