About: http://webisa.webdatacommons.org/412000189

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	The speed of light is the greatest speed in the visible universe .. but not in the invisible universe!
http://www.w3.org/ns/prov#wasQuotedFrom	fromeinsteintoun.eu