About: http://webisa.webdatacommons.org/178933114

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	This approach is especially useful when the length for expanding the beam 242 is long (e.g., from several centimeters to tens of centimeters long).
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk