this post was submitted on 11 May 2025

189 points (97.0% liked)

science

18505 readers

518 users here now

A community to post scientific articles, news, and civil discussion.

rule #1: be kind

founded 2 years ago

MODERATORS

m3t00@lemmy.world

Joleee@lemmy.world

laverabe@lemmy.world

DeadPand@midwest.social

laverabe@lemmy.zip

189

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 days ago by Dadifer@lemmy.world to c/science@lemmy.world

76 comments fedilink hide all child comments

you are viewing a single comment's thread
view the rest of the comments

[–] Kolanaki@pawb.social 4 points 17 hours ago* (last edited 17 hours ago) (1 children)

I think I understand how the battery where they drop a big weight down a mountain works; how do these work? Or how does it compare in effectiveness as I assume it's probably the same principle?

[–] AlexLost@lemm.ee 14 points 17 hours ago* (last edited 17 hours ago) (1 children)

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.

[–] Kolanaki@pawb.social 2 points 7 hours ago

Well that sounds like cheating.