About: http://webisa.webdatacommons.org/47093438

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	Such optical tricks stem from Einstein???s theory of general relativity, which describes how gravity can warp space and time, including bending the path that light travels.
http://www.w3.org/ns/prov#wasQuotedFrom	uchicago.edu