This post is on magnetism only but it is more or less in the planning that the next post on 4D complex numbers is about diagonalization of a 4D complex number. After that we have (may be) to try and calculate the number tau in this way. Ok magnetic stuff: Since I think that electrons … Continue reading Magnetism: A small contest with the honorable Max Planck Institute around their Wendelstein 7_X stellarator fusion reactor.