Using a Salt Cavern to Mine the Salt

I went to see a, uh, I was it called a compressed air energy storage system at Birmingham University. It's quite a big industrial scale thing. The more I hear about the problems, the inherent problems of how you just go,. that struck me as if we could have somewhere, you know, a terawatt hour of high compressed hydrogen energy storage in a big industrial thing. That would be brilliant because there's no to involve this concept. Yeah. So, I don't know. What's the one area?Yeah. I mean, I'm with you. Uh, but I guess I, but the only Hopium I've smoked is from the point of view of sort