Recent content by NaTh2007

  1. N

    What makes a permanent magnet a permanent magnet?

    I have searched and searched but do not know what gives rise to a permanent magnet. I would like to know why two opposite forces are produced at the ends of the magnet. The closest I have got to it is to do with electron spins becoming aligned. Help would be most appreciated Thank you
  2. N

    Meissner effect and superconductor

    Hi From what I understand the Meissner effect occurs when a current is induced in a superconductor, from a magnet, giving rise to a magnetic field from the superconductor that opposes the magnet. What stops the magnet from being completely repelled away from the superconductor when it is...
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