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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)
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[-] Headofthebored@lemmy.world 1 points 1 month ago

๐Ÿ’€

this post was submitted on 11 May 2025
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