Is securing old mines a good job for (remotely-operated (humanoid)) robots? Old mines can host gravitational energy storage. From https://news.ycombinator.com

Is securing old mines a good job for (remotely-operated (humanoid)) robots? Old mines can host gravitational energy storage. From https://news.ycombinator.com/item?id=35778721 https://news.ycombinator.com/item?id=35778721 : > FWIU we already have enough abandoned mines in the world to do all of our energy storage needs? "Gravity batteries: Abandoned mines could store enough energy to power ‘the entire earth’" (2023) https://www.euronews.com/green/2023/03/29/gravity-batteries-abandoned-mines-could-store-enough-energy-to-power-the-entire-earth https://www.euronews.com/green/2023/03/29/gravity-batteries-...