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"In an effort to cut costs and store lots of energy for long periods of time, researchers and companies alike are getting creative: pumping water into the earth, compressing gas in underground caverns or massive tanks, even lifting giant blocks." https://www.technologyreview.com/2023/03/09/1069578/these-companies-want-to-go-beyond-batteries-to-store-energy/
@estherschindler
What could possibly go wrong? Our projects are always suffering from unintended consequences.