About: http://webisa.webdatacommons.org/158142635

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	On the other hand, such developments as radio communication and X-ray examination required the positive discovery of radio waves and X-rays before they could even be contemplated.
http://www.w3.org/ns/prov#wasQuotedFrom	meditationuniverse.org