About: http://webisa.webdatacommons.org/78770794

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	Since photons are a form of energy they ARE interchangable with joules or calories or electron volts.
http://www.w3.org/ns/prov#wasQuotedFrom	joannenova.com.au