solo@slrpnk.net to Green Energy@slrpnk.net · 29 days agoWe went to Finland to hear about the new 'sand battery' that will turn stored renewable energy back into power for the electrical gridwww.livescience.comexternal-linkmessage-square4linkfedilinkarrow-up151
arrow-up151external-linkWe went to Finland to hear about the new 'sand battery' that will turn stored renewable energy back into power for the electrical gridwww.livescience.comsolo@slrpnk.net to Green Energy@slrpnk.net · 29 days agomessage-square4linkfedilink
minus-squareparaphrand@lemmy.worldlinkfedilinkEnglisharrow-up2·29 days agoAh, so it’s gravity? Nope, it’s heat.
Ah, so it’s gravity?
Nope, it’s heat.