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A comment on Energy Vault – Gravitational Batteries. Parent comment

Re:Energy Vault – Gravitational Batteries by leonletto on Monday January 11, 2021 @11:51AM (#25731605)
Wouldn’t you just grind them up and recycle them?
[ Parent | on HN ]
Re:Energy Vault – Gravitational Batteries by Retric on Monday January 11, 2021 @02:49PM (#25735309)
They can’t recycle it into blocks of the same material properties. It’s not worthless by any stretch, just a poor fit for such demanding applications.
[ Parent | on HN ]