About: http://webisa.webdatacommons.org/295644585

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	Various approaches to powering a light source, such as a light emitting diode (LED), include applying a time varying signal (e.g., a voltage or current square wave) to power the source.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com