About: http://webisa.webdatacommons.org/420903275

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	Even in optical fiber, you are looking at somewhat lower than 3E8 m/s... the refractive index is around 1.5... call it .65 to .7c (there is a reason it is the same general magnitude as copper)
http://www.w3.org/ns/prov#wasQuotedFrom	clustermonkey.net