About: http://webisa.webdatacommons.org/407475205

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 reduction in the size of the mirror, without energy loss, is a problem which is mitigated by using a focused transducer; the size of the beam being smaller, it is possible to reduce the diameter of the said mirror.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com