About: http://webisa.webdatacommons.org/256390144

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	Radiation is a wave motion or (if you prefer) a transport of particles called photons", which is emitted by all substances above the absolute zero of temperature according to the mathematical relationship developed by Planck.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com.au