They have had previous success[1], and the torus-shaped magnetic containment fields used in most fusion research is known to be a problem.
[0] https://en.wikipedia.org/wiki/Reversed_field_pinch
[1] http://www.alternative-energy-action-now.com/helion-energy.h... (yes, that domain sounds terrible, but the info seems ok)
They have had previous success[1], and the torus-shaped magnetic containment fields used in most fusion research is known to be a problem.
[0] https://en.wikipedia.org/wiki/Reversed_field_pinch
[1] http://www.alternative-energy-action-now.com/helion-energy.h... (yes, that domain sounds terrible, but the info seems ok)