About: http://webisa.webdatacommons.org/375891385

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	This is what is done: basically, you grow a cubic bromide emulsion, the emulsion is then specially treated with silver nitrate and iodide and other chemicals to form additional small crystals at each of the 8 corners of the cube.
http://www.w3.org/ns/prov#wasQuotedFrom	apug.org