this post was submitted on 11 May 2025
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A German Experiment Proved That Simple Concrete Spheres Make Fantastic Batteries. Now, California Plans To Submerge A 9-Meter Diameter Sphere In The Ocean And Is Already Planning Versions Of 30 Meters (farmingdale-observer.com)
submitted 4 days ago by Dadifer@lemmy.world to c/science@lemmy.world
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[–] Cocodapuf@lemmy.world 4 points 3 days ago* (last edited 3 days ago)

That's exactly the way I would have calculated it, glad someone beat me to it though. Thanks!