Gsus4@mander.xyz to Technology@lemmy.worldEnglish · edit-21 day agoSwitzerland dug a hole the size of two soccer fields to install the world’s most powerful underground battery, able to output 1.2 GW within milliseconds.www.ecoticias.comvideomessage-square121fedilinkarrow-up1429arrow-down18
arrow-up1421arrow-down1videoSwitzerland dug a hole the size of two soccer fields to install the world’s most powerful underground battery, able to output 1.2 GW within milliseconds.www.ecoticias.comGsus4@mander.xyz to Technology@lemmy.worldEnglish · edit-21 day agomessage-square121fedilink
minus-squarefrongt@lemmy.ziplinkfedilinkEnglisharrow-up1arrow-down1·5 hours agoStrictly speaking zero depth, but to build one you need at least some amount of surface to stand on. A good one has grass, which needs a few inches of soil, but a really good one also has crushed stone and other layers before that.
Strictly speaking zero depth, but to build one you need at least some amount of surface to stand on. A good one has grass, which needs a few inches of soil, but a really good one also has crushed stone and other layers before that.