Dadifer@lemmy.world to science@lemmy.worldEnglish · 1 year agoA 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 Metersfarmingdale-observer.comexternal-linkmessage-square74linkfedilinkarrow-up11arrow-down10
arrow-up11arrow-down1external-linkA 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 Metersfarmingdale-observer.comDadifer@lemmy.world to science@lemmy.worldEnglish · 1 year agomessage-square74linkfedilink
minus-squarehumanspiral@lemmy.calinkfedilinkEnglisharrow-up0·1 year agoAn easy manufacturing method would be to 3d print in plastic a double walled shell, with fill holes for concrete, and mounting chanels for motors. Plastic “lining” would provide salt water protection for the concrete.
minus-squareaim_at_me@lemmy.nzlinkfedilinkEnglisharrow-up0·1 year agoWe have seawater resistant concrete. We don’t need to plastic line it. It’s the turbine that’ll require the most maintenance.
An easy manufacturing method would be to 3d print in plastic a double walled shell, with fill holes for concrete, and mounting chanels for motors. Plastic “lining” would provide salt water protection for the concrete.
We have seawater resistant concrete. We don’t need to plastic line it. It’s the turbine that’ll require the most maintenance.