About: http://webisa.webdatacommons.org/228045060

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	In your article your say 'Einstein has taught us that the speed of light is an invariant, not depending on the status of motion of the observer.
http://www.w3.org/ns/prov#wasQuotedFrom	science20.com