About: http://webisa.webdatacommons.org/149357008

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	In 1867 Maxwell proposed that light is an electromagnetic wave, and the equations that he constructed for it implied that there are others.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es