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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[–] CandleTiger@programming.dev 6 points 21 hours ago* (last edited 21 hours ago)

If you fill and empty with raw seawater on the regular then you will have plenty of opportunity for growth on the inside and a constant supply of new water with fresh nutrients meaning everything is going to want to grow into the water inlet and clog it.

Maybe they will sink a giant bladder of sterile water together with the hollow sphere, and then figure out a way to make the bladder not fail for 20 years?