About: http://webisa.webdatacommons.org/45089620

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	You still need good optics and cooling, especially the boundary layer on larger mirrors, to get good results with a mask.
http://www.w3.org/ns/prov#wasQuotedFrom	cloudynights.com