Analysis of information sources in references of the Wikipedia article "Spherical tokamak" in English language version.
In common reactors, attempts are made to prevent instabilities from forming, because these can cause the plasma to escape from the path established by the magnetic field and damage the internal walls of the reactor. To limit this, the surface of the plasma toroid is normally modeled so that the instabilities are concentrated towards an area that can be freely damaged, called divertor. In Proto-Sphera instabilities are exploited instead: by making the column unstable, this collapses into a spherical toroid, exploiting the phenomenon of magnetic reconnection: a phenomenon that takes place in the plasma and in which the magnetic energy of the plasma is converted into kinetic energy of the plasma itself.
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