Beach Sand Used To Make A Battery That Lasts Three Times Lon Jul 13, 2014 11:39:49 GMT -8 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by bot on Jul 13, 2014 11:39:49 GMT -8 Beach Sand Used To Make A Battery That Lasts Three Times Longer feeds.popsci.com/c/34567/f/632419/s/3c6a208e/sc/5/l/0L0Spopsci0N0Carticle0Cscience0Cbeach0Esand0Eused0Emake0Ebattery0Elasts0Ethree0Etimes0Elonger/story01.htm