Tuesday, February 9, 2016

particle physics - Why does an electron have left-handed and right-handed components?



An electron is assumed to be a point particle that does not have structure. Why does it have left-handed and right-handed components? Does this imply that the electron has structure or volume?




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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...