Assertion: fusion neutron | /r/Causes | fission
Facets:
value: in substances
type: OTHER
Source sentences:
text: Fusion neutrons are able to cause fission in ordinarily non-fissile materials, such as depleted uranium (uranium-238), and these materials have been used in the jackets of thermonuclear weapons.
text: Fusion neutrons also can cause fission in substances that are unsuitable or difficult to make into primary fission bombs, such as reactor grade plutonium.