About: http://webisa.webdatacommons.org/263143582

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	Light is an electromagnetic wave, and the materials through which it travels make up a transmission line.
http://www.w3.org/ns/prov#wasQuotedFrom	physlink.com