About: http://webisa.webdatacommons.org/446827876

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	However, if there is a deviation, it is vanishingly small and what remains possible is getting smaller as the experiments are refined.People have been testing the constancy of radiometric decay rates for many decades.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org