How does magnetic field spin other charges?
I tried my whole day understand how does it happen but i know even less than before XD. I know magnetic field propagates when electric field is in motion but how tf does it spin the charged particle? I read about general relativity and how the electron shorten becouse of velocity but still, why does it make other particle spin around? From what I "understand" the field is bendig whit the electron becouse of the velocity and general theory of relativity, so it becomes something like a disc ( its reach is smaller at the points). But this still didnt get me to the understandig becouse if the field is everywhere the same than, every direction has still the same value of B which gives the same result as if it was a sphere. Please someone help i need this to live my life as before this question came to my mind.