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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 2 months ago by [email protected] to c/[email protected]

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[-] [email protected] 14 points 2 months ago* (last edited 2 months ago)

It has a turbine inside it. It is not a cement ball, it is very misleading title. It's a cement shaped hollow orb with a hydro power generator inside it.

[-] [email protected] 3 points 2 months ago

Well that sounds like cheating.

this post was submitted on 11 May 2025

194 points (97.1% liked)

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