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Re:US Department of Energy: Fusion Ignition Achieved by caf on Tuesday December 13, 2022 @06:17PM (#33977688)
In terms of "where do the electrons come from", an ordinary neutron in free space has a half-life of about 10 minutes, decaying through beta decay which produces a proton, an electron and a neutrino.
Re:US Department of Energy: Fusion Ignition Achieved by galangalalgol on Tuesday December 13, 2022 @06:39PM (#33977906)
That sounds fairly energetic... So after 10min you'd have some odd mix of heavy elements probably approaching a decent fraction of the volume of everest. Half the volume of everest x (densityofgranite / densityoflead)

That kind of expansion rate has to rival any explosion imaginable.