Cost is a reason. You need to dig out that dirt (which is expensive), it needs s... | Hacker News

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shadowpho 51 days ago | parent | context | favorite | on: Sodium-ion "salt" batteries will revolutionize ele...

Cost is a reason. You need to dig out that dirt (which is expensive), it needs supports, your house needs support around it/through it…

Making things bulletproof and massive runs opposite of cheap

stronglikedan 51 days ago [–]

I figured they meant while building the house, which of course would cut costs by a lot if it were engineered for.

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