About: http://webisa.webdatacommons.org/2520614

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	To Newton, light was made of particles with mass, and gravity was a force exerted by massive objects on one another.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com