About: http://webisa.webdatacommons.org/21668189

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Then, after an appropriate incubation period, a light, such as a laser or other point light source, is transmitted through or reflected from the film.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca