Assertion: plutonium | /r/HasProperty | compressed to high density
Facets:
value: with an implosion weapon
type: OTHER
value: with explosive lenses
type: OTHER
Source sentences:
text: With an implosion weapon, plutonium is compressed to a high density with explosive lenses—a technically more daunting task than the simple gun-type design, but necessary to use plutonium for weapons purposes.