About: http://webisa.webdatacommons.org/323203232

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	The problem is that as em field itself does not exist in reality, it is just a metaphysical fiction to make calculation easier, there is no such thing as aether as physical reality.
http://www.w3.org/ns/prov#wasQuotedFrom	researchgate.net