About: http://webisa.webdatacommons.org/184070643

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	Visible light is an electromagnetic wave of a rather narrow range of wavelengths (roughly 390-700 nanometres, where 1 nanometre is 1 billionth of a metre) in the complete spectrum.
http://www.w3.org/ns/prov#wasQuotedFrom	theconversation.com