About: http://webisa.webdatacommons.org/417118638

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	As the development of the laser was advanced, they became the ideal source for use with holograms, since lasers are a ready source of coherent light.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca