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Switzerland 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.com)
submitted 4 months ago* (last edited 4 months ago) by to c/technology@lemmy.world
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[–] 5 points 4 months ago* (7 children)

Between 4000 and 11000 square meters

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  • [–] 3 points 4 months ago (3 children)

    And how deep is a soccer field?

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  • [–] -2 points 4 months ago

    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.

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