Dear all It is known that the ratio of the magnetic attraction to the static repulsion of two moving (similar) charges is in the ratio of (v/c)^2. A learned friend of mine tells me that this is relativistically correct also. When v is nearly c, the two forces are equal and we have an asymptotic freedom situation and the nucleus can pack many pairs of such particles. When v is smaller, you have repulsive forces dominating and the lot explode. However by having opposite charges, then when v is smaller you get attraction..ie confinement. My question: is this simple interpretation true, and why it has not been considered in existing theories.