About: http://webisa.webdatacommons.org/209750096

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	From a human???s perspective, mass and gravity seem to be the basis of reality, but for physics, mass is a form of energy and gravity is an effect of mass.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com