<http://webisa.webdatacommons.org/28510455> <http://www.w3.org/ns/prov#value> "From this, Maxwell concluded that light was a form of electromagnetic radiation: he first stated this result in 1862 in On Physical Lines of Force." . <http://webisa.webdatacommons.org/prov/203132729> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/28510455> . <http://webisa.webdatacommons.org/28510455> <http://www.w3.org/ns/prov#wasQuotedFrom> <schools-wikipedia.org> . <http://webisa.webdatacommons.org/28510455> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> .