About: http://webisa.webdatacommons.org/434945189

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	To the physicist, light is a wave, a photon which races through the cosmos at constant speed, a speed which, in and by itself, establishes limits on all relationships of mass and energy.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com