About: http://webisa.webdatacommons.org/134027044

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	You can just think that light is an electromagnetic wave, with both electric and magnetic fields.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com