About: http://webisa.webdatacommons.org/339097946

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	IR is of some concern, mostly because it will be focused by your eye and could heat things up in a spot, but an IR blocking lens that is around a #3 or #4 glass should render this technique reasonably safe.
http://www.w3.org/ns/prov#wasQuotedFrom	makezine.com