A spheromak is an arrangement of plasma formed into a toroidal shape similar to a smoke ring. The spheromak contains large internal electrical currents and their associated magnetic fields arranged so the magnetohydrodynamic forces within the spheromak are nearly balanced, resulting in long-lived (microsecond) confinement times without external fi...
Found on
http://en.wikipedia.org/wiki/Spheromak
<radiobiology> A compact torus with comparable toroidal and poloidal magnetic fields. The plasma is roughly spherical and is usually surrounded by a close-fitting conducting shell or cage. Both the poloidal and toroidal magnetic fields are generated by plasma currents. There are no toroidal field coils linking the plasma through the central p...
Found on
http://www.encyclo.co.uk/local/20973
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