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MIT scientists propose power storage using cement blocks
(www.datacenterdynamics.com)
This is a most excellent place for technology news and articles.
Just try this as an exercise. Keep a journal of how many world changing batteries are presented by the MIT PR department from today, through one year. Three years later, open the journal and see how many have found any meaningful application in the real world.
You gave a link to the MIT PR department. Like, yeah, that's my point. They are phenomenal at tooting their own horn. But the conversion rate to there actually being a there there is extremely low.
Oh I see! Fair enough.