About: http://webisa.webdatacommons.org/232060146

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	For gas lasers such as the HeNe, the direction the laser points at startup is not going to be what it points to after 1 hour.
http://www.w3.org/ns/prov#wasQuotedFrom	on-trak.com