About: http://webisa.webdatacommons.org/344773704

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	1 year, 6 months ago Physics puzzlers are a dime a dozen, but every now and then, one intrigues even though it does not seem to be doing anything all that different.
http://www.w3.org/ns/prov#wasQuotedFrom	appspy.com