Assertion: atom's neutron | /r/CapableOf | use in primary stage
Facets:
Source sentences:
text: If a small amount of deuterium/tritium gas is placed inside the primary's core, it will be compressed during the explosion and a nuclear fusion reaction will occur; the released neutrons from this fusion reaction will induce further fission in the Pu-239 or U-235 used in the primary stage.