About: http://webisa.webdatacommons.org/31112329

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	Many start-up companies are at work devising techniques of focusing light on a solar cell, in order to reduce the amount of silicon or other material needed to produce the cell.
http://www.w3.org/ns/prov#wasQuotedFrom	metaefficient.com