About: http://webisa.webdatacommons.org/205566818

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	Yes, it is more complicated than that, but the important thing is that light is an electro-magnetic wave.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com