About: http://webisa.webdatacommons.org/193646656

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	This was discovered in passing by Heinrich Hertz during his experiments to demonstrate that light is an electromagnetic wave, and posed quite a problem for the wave model of light.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com