[Vo]:Magnetic moment .vs motion as source of magnetic field

I tend not to agree with the belief of the author, but he has some good points http://educate-yourself.org/cn/ElectronBeamMagneticField.pdf Currently there are two explanations. One surely must be wrong.

Re: [Vo]:Magnetic moment .vs motion as source of magnetic field

In reply to John Berry's message of Tue, 15 Dec 2015 01:32:24 +1300: Hi, [snip] IMO free electrons have no magnetic moment, because they have no "spin", which is not an intrinsic property of the electron, but rather a direct consequence of being bound to an atom. >I tend not to agree with the