Assertion: silver nitrate | /r/ObjectUse | used on photographic plates
Facets:
value: according to the rsc
type: OTHER
value: in the first, clunky cameras
type: LOCATION
Source sentences:
text: Silver nitrate (silver combined with nitrogen and oxygen molecules) was used on photographic plates in the first, clunky cameras, according to the RSC, because it reacts to light by turning black — enabling photographers to capture an instant of light.