About: http://webisa.webdatacommons.org/166322180

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	That insight had to come from Maxwell's theory of 1860 which showed that light was a wave of electric and magnetic fields.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com