this post was submitted on 11 May 2025

195 points (97.1% liked)

science

18821 readers

752 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

195

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 3 weeks ago by Dadifer@lemmy.world to c/science@lemmy.world

80 comments fedilink hide all child comments

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

[–] carl_dungeon@lemmy.world 2 points 2 weeks ago

Yeah don't get me wrong- I get it’s a battery. But a battery that’s 5% efficient isn’t great. Now 72? That’s pretty incredible, I’d like to see that in action.