minus-squareDryfire@lemm.eetoscience@lemmy.world•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 MeterslinkfedilinkEnglisharrow-up10·14 hours agoThere are 2000 year old Roman concrete piers that are still just hanging out in sea water. So it’s possible if you find the right mix. linkfedilink
There are 2000 year old Roman concrete piers that are still just hanging out in sea water. So it’s possible if you find the right mix.