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 1 day ago by Dadifer@lemmy.world to c/science@lemmy.world
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[–] remon@ani.social 5 points 9 hours ago

Wow, someone invented upside down pumped storage.