Thinking outside the box... Jul 19, 2022 20:18:12 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Lonely on Jul 19, 2022 20:18:12 GMT - - > www.abc.net.au/news/science/2022-07-19/sand-battery-debuts-in-finland-world-first-heat-thermal-storage/101235514