About: http://webisa.webdatacommons.org/93711495

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	Once it was discovered that light was an electromagnetic wave, a number of other scientists and experimenters found more types of electromagnetic radiation.
http://www.w3.org/ns/prov#wasQuotedFrom	infoplease.com