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Just a reminder that if a headline is a question, the answer to that question is no.
Wait until I debunk you by publishing these articles:
Is no always the answer to questions in headlines?
Yes but no.
How can you know the answer to questions in headlines?
No, you know.
Why is no always the answer to questions asked in headlines?
No. The answer is no, and that does not really answer this question.
These are pumped hydro, but with extra steps, more expense, and less mass stored (read: less energy storage). ThunderFoot did a video going through this in detail, he even used the crane-based one in his examples.
This is the question you always need to ask: is this new mass-based storage better than pumped hydro?