About: http://webisa.webdatacommons.org/208692657

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 advantage of the speed of light for metrology is its super convenience, which comes from its easy realization regardless of almost any parameter you can think of, except gravity.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org