Assertion: fermium | /r/HasProperty | coworker
Facets:
value: positively
type: MANNER
value: at berkeley
type: LOCATION
value: in debris
type: LOCATION
Source sentences:
text: Fermium (as the isotope fermium-255) is produced by the intense neutron irradiation of uranium-238 and was first positively identified by American chemist Albert Ghiorso and coworkers at Berkeley, California, in debris taken from the first thermonuclear (hydrogen bomb) test explosion (November 1952),