Assertion: krypton | /r/CapableOf | play important role
Facets:
value: from 1960
type: TEMPORAL
value: in science
type: LOCATION
Source sentences:
text: Krypton played an important role in science from 1960-1983, when the length of the meter was defined as 1,650,763.73 times the wavelength of the orange-red light emitted by krypton-86.