About: http://webisa.webdatacommons.org/391538068

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 I???ve discussed before in some detail, light is an electromagnetic wave made up of electric and magnetic fields.
http://www.w3.org/ns/prov#wasQuotedFrom	thephysicsmill.com