About: http://webisa.webdatacommons.org/148965445

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	All of these things take energy, and by the time the shoe meets the stair most of the energy has already been lost, eventually ending up mostly in the form of heat.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceforums.net