About: http://webisa.webdatacommons.org/103530535

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	In an embodiment, the gel or other material may evaporate over time and as the material evaporates, the light levels captured by the material may diminish.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au