I don't think inertial confinement will achieve break even because I don't see how inertial confinement designs can achieve sustained ignition. After fusing the

I don't think inertial confinement will achieve break even because I don't see how inertial confinement designs can achieve sustained ignition. After fusing the initial payload how is an inertial confinement system supposed to sustain the reaction? If anyone has any references on this let me know because I've been looking and I haven't found an answer.