About: http://webisa.webdatacommons.org/48819398

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	If light is a wave, like sound is a wave, then what that wave describes is the conditions or substances through which the wave propagates.
http://www.w3.org/ns/prov#wasQuotedFrom	abovetopsecret.com