About: http://webisa.webdatacommons.org/415664230

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	So, unless you furnish an acceptable explanation, you must admit that you are dealing with the unknown, and that forces such as gravity or light could work using waves.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com