About: http://webisa.webdatacommons.org/99733064

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	Of course, instead of possibly moving the source of laser beams, it is possible to displace the beams themselves, for example by means of a movable mirror, the source being maintained stationary.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com