About: http://webisa.webdatacommons.org/183642287

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	So, there is a limit as to how light batteries are going to get.???Still, scientists will be able to make batteries incrementally more efficient, he said.ONR is researching air cathodes to lighten batteries.
http://www.w3.org/ns/prov#wasQuotedFrom	nationaldefensemagazine.org