About: http://webisa.webdatacommons.org/400089109

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	Since the 1970???s, engineers and physicists have been putting this concept into practice, using laser beams to hold, trap or push microscopic objects, such as atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	usc.edu